20756855058 has 32 divisors (see below), whose sum is σ = 44890930944. Its totient is φ = 6373400832.

The previous prime is 20756855029. The next prime is 20756855081. The reversal of 20756855058 is 85055865702.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 20756855058.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2160085 + ... + 2169672.

It is an arithmetic number, because the mean of its divisors is an integer number (1402841592).

Almost surely, 2^20756855058 is an apocalyptic number.

20756855058 is an abundant number, since it is smaller than the sum of its proper divisors (24134075886).

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

20756855058 is a wasteful number, since it uses less digits than its factorization.

20756855058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329826.

The product of its (nonzero) digits is 3360000, while the sum is 51.

The spelling of 20756855058 in words is "twenty billion, seven hundred fifty-six million, eight hundred fifty-five thousand, fifty-eight".