20600256600 has 864 divisors, whose sum is σ = 93032550000. Its totient is φ = 4025548800.

The previous prime is 20600256587. The next prime is 20600256601. The reversal of 20600256600 is 665200602.

20600256600 is a `hidden beast` number, since 2 + 0 + 6 + 0 + 0 + 2 + 56 + 600 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20600256601) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 16492776 + ... + 16494024.

Almost surely, 2^20600256600 is an apocalyptic number.

20600256600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20600256600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46516275000).

20600256600 is an abundant number, since it is smaller than the sum of its proper divisors (72432293400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20600256600 is a wasteful number, since it uses less digits than its factorization.

20600256600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The spelling of 20600256600 in words is "twenty billion, six hundred million, two hundred fifty-six thousand, six hundred".