20612944776 has 32 divisors (see below), whose sum is σ = 51535879200. Its totient is φ = 6870512640.

The previous prime is 20612944657. The next prime is 20612944799. The reversal of 20612944776 is 67744921602.

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 7 ways as a sum of consecutive naturals, for example, 677736 + ... + 707496.

It is an arithmetic number, because the mean of its divisors is an integer number (1610496225).

Almost surely, 2^20612944776 is an apocalyptic number.

It is an amenable number.

20612944776 is an abundant number, since it is smaller than the sum of its proper divisors (30922934424).

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

20612944776 is a wasteful number, since it uses less digits than its factorization.

20612944776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58629 (or 58625 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 20612944776 in words is "twenty billion, six hundred twelve million, nine hundred forty-four thousand, seven hundred seventy-six".