20444626604 has 24 divisors (see below), whose sum is σ = 36955486848. Its totient is φ = 9886331520.

The previous prime is 20444626597. The next prime is 20444626637. The reversal of 20444626604 is 40662644402.

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, 148904 + ... + 251120.

It is an arithmetic number, because the mean of its divisors is an integer number (1539811952).

Almost surely, 2^20444626604 is an apocalyptic number.

It is an amenable number.

20444626604 is a deficient number, since it is larger than the sum of its proper divisors (16510860244).

20444626604 is a wasteful number, since it uses less digits than its factorization.

20444626604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103865 (or 103863 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 20444626604 in words is "twenty billion, four hundred forty-four million, six hundred twenty-six thousand, six hundred four".