20556107060 has 48 divisors (see below), whose sum is σ = 44171640576. Its totient is φ = 8031917952.

The previous prime is 20556107023. The next prime is 20556107069. The reversal of 20556107060 is 6070165502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20556107069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470714 + ... + 512526.

It is an arithmetic number, because the mean of its divisors is an integer number (920242512).

Almost surely, 2^20556107060 is an apocalyptic number.

20556107060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20556107060 is an abundant number, since it is smaller than the sum of its proper divisors (23615533516).

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

20556107060 is a wasteful number, since it uses less digits than its factorization.

20556107060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42392 (or 42390 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 20556107060 in words is "twenty billion, five hundred fifty-six million, one hundred seven thousand, sixty".