20113232404 has 12 divisors (see below), whose sum is σ = 36056648628. Its totient is φ = 9811332800.

The previous prime is 20113232393. The next prime is 20113232467. The reversal of 20113232404 is 40423231102.

It can be written as a sum of positive squares in 2 ways, for example, as 10816416004 + 9296816400 = 104002^2 + 96420^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61320667 + ... + 61320994.

It is an arithmetic number, because the mean of its divisors is an integer number (3004720719).

Almost surely, 2^20113232404 is an apocalyptic number.

It is an amenable number.

20113232404 is a deficient number, since it is larger than the sum of its proper divisors (15943416224).

20113232404 is a wasteful number, since it uses less digits than its factorization.

20113232404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122641706 (or 122641704 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20113232404 its reverse (40423231102), we get a palindrome (60536463506).

The spelling of 20113232404 in words is "twenty billion, one hundred thirteen million, two hundred thirty-two thousand, four hundred four".