20604595606 has 64 divisors (see below), whose sum is σ = 36992102400. Its totient is φ = 8424603936.

The previous prime is 20604595579. The next prime is 20604595637. The reversal of 20604595606 is 60659540602.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5787655 + ... + 5791213.

It is an arithmetic number, because the mean of its divisors is an integer number (578001600).

Almost surely, 2^20604595606 is an apocalyptic number.

20604595606 is a deficient number, since it is larger than the sum of its proper divisors (16387506794).

20604595606 is a wasteful number, since it uses less digits than its factorization.

20604595606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 20604595606 in words is "twenty billion, six hundred four million, five hundred ninety-five thousand, six hundred six".