20597688802 has 32 divisors (see below), whose sum is σ = 31614566400. Its totient is φ = 10062653328.

The previous prime is 20597688791. The next prime is 20597688809. The reversal of 20597688802 is 20888679502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20597688809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9610543 + ... + 9612685.

It is an arithmetic number, because the mean of its divisors is an integer number (987955200).

Almost surely, 2^20597688802 is an apocalyptic number.

20597688802 is a deficient number, since it is larger than the sum of its proper divisors (11016877598).

20597688802 is a wasteful number, since it uses less digits than its factorization.

20597688802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 20597688802 in words is "twenty billion, five hundred ninety-seven million, six hundred eighty-eight thousand, eight hundred two".