23020412402 has 24 divisors (see below), whose sum is σ = 39590632116. Its totient is φ = 9999814656.

The previous prime is 23020412377. The next prime is 23020412413. The reversal of 23020412402 is 20421402032.

It can be written as a sum of positive squares in 6 ways, for example, as 11274404761 + 11746007641 = 106181^2 + 108379^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1997423 + ... + 2008914.

Almost surely, 2^23020412402 is an apocalyptic number.

23020412402 is a deficient number, since it is larger than the sum of its proper divisors (16570219714).

23020412402 is a wasteful number, since it uses less digits than its factorization.

23020412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006382 (or 4006369 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23020412402 its reverse (20421402032), we get a palindrome (43441814434).

The spelling of 23020412402 in words is "twenty-three billion, twenty million, four hundred twelve thousand, four hundred two".