λ
Ratio Atlas

20,008,928

25 × 625279
Deficient Even Composite

20,008,928 factors as 2^5 × 625279. Its 12 positive divisors give a proper-divisor sum of 19,383,712, so this integer is deficient. The Collatz stopping time is 164 steps.

Prime Factor Structure

Factorization String 2^5 × 625279
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 39,392,640
Proper Divisor Sum 19,383,712
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #20008921 ← → #20008939

Radix Representation

Decimal 20008928
Binary 1001100010100111111100000 (25 bits)
Octal 0o114247740
Hexadecimal 0x1314FE0

Divisor Catalog (12)

Collatz Trajectory (164 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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