20374597402 has 16 divisors (see below), whose sum is σ = 31072557672. Its totient is φ = 10017907200.

The previous prime is 20374597361. The next prime is 20374597417. The reversal of 20374597402 is 20479547302.

It can be written as a sum of positive squares in 4 ways, for example, as 16499659401 + 3874938001 = 128451^2 + 62249^2 .

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, 157849 + ... + 256252.

Almost surely, 2^20374597402 is an apocalyptic number.

20374597402 is a deficient number, since it is larger than the sum of its proper divisors (10697960270).

20374597402 is a wasteful number, since it uses less digits than its factorization.

20374597402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414513.

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 20374597402 in words is "twenty billion, three hundred seventy-four million, five hundred ninety-seven thousand, four hundred two".