20576572676 has 24 divisors (see below), whose sum is σ = 41593287456. Its totient is φ = 8802811520.

The previous prime is 20576572651. The next prime is 20576572691. The reversal of 20576572676 is 67627567502.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13753646 + ... + 13755141.

It is an arithmetic number, because the mean of its divisors is an integer number (1733053644).

Almost surely, 2^20576572676 is an apocalyptic number.

It is an amenable number.

20576572676 is an abundant number, since it is smaller than the sum of its proper divisors (21016714780).

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

20576572676 is a wasteful number, since it uses less digits than its factorization.

20576572676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27508819 (or 27508817 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 20576572676 in words is "twenty billion, five hundred seventy-six million, five hundred seventy-two thousand, six hundred seventy-six".