10520423200404 has 72 divisors (see below), whose sum is σ = 28685347028520. Its totient is φ = 3231806764032.

The previous prime is 10520423200381. The next prime is 10520423200429. The reversal of 10520423200404 is 40400232402501.

10520423200404 is a `hidden beast` number, since 1 + 0 + 5 + 20 + 4 + 232 + 0 + 0 + 404 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 156839760900 + 10363583439504 = 396030^2 + 3219252^2 .

It is a super-2 number, since 2×10520423200404² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17928049 + ... + 18505560.

Almost surely, 2^{10520423200404} is an apocalyptic number.

It is an amenable number.

10520423200404 is an abundant number, since it is smaller than the sum of its proper divisors (18164923828116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10520423200404 is a wasteful number, since it uses less digits than its factorization.

10520423200404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36434249 (or 36434244 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 10520423200404 its reverse (40400232402501), we get a palindrome (50920655602905).

The spelling of 10520423200404 in words is "ten trillion, five hundred twenty billion, four hundred twenty-three million, two hundred thousand, four hundred four".