20620226604 has 12 divisors (see below), whose sum is σ = 48113862104. Its totient is φ = 6873408864.

The previous prime is 20620226533. The next prime is 20620226623. The reversal of 20620226604 is 40662202602.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859176097 + ... + 859176120.

Almost surely, 2^20620226604 is an apocalyptic number.

It is an amenable number.

20620226604 is an abundant number, since it is smaller than the sum of its proper divisors (27493635500).

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

20620226604 is a wasteful number, since it uses less digits than its factorization.

20620226604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718352224 (or 1718352222 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 20620226604 in words is "twenty billion, six hundred twenty million, two hundred twenty-six thousand, six hundred four".