20578835076 has 96 divisors (see below), whose sum is σ = 49189690368. Its totient is φ = 6694742400.

The previous prime is 20578835033. The next prime is 20578835089. The reversal of 20578835076 is 67053887502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44065795 + ... + 44066261.

It is an arithmetic number, because the mean of its divisors is an integer number (512392608).

Almost surely, 2^20578835076 is an apocalyptic number.

It is an amenable number.

20578835076 is an abundant number, since it is smaller than the sum of its proper divisors (28610855292).

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

20578835076 is a wasteful number, since it uses less digits than its factorization.

20578835076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 20578835076 in words is "twenty billion, five hundred seventy-eight million, eight hundred thirty-five thousand, seventy-six".