20512602234004 has 12 divisors (see below), whose sum is σ = 35912054784564. Its totient is φ = 10252015152704.

The previous prime is 20512602233987. The next prime is 20512602234011. The reversal of 20512602234004 is 40043220621502.

It can be written as a sum of positive squares in 2 ways, for example, as 3226981104400 + 17285621129604 = 1796380^2 + 4157598^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071480307 + ... + 1071499450.

It is an arithmetic number, because the mean of its divisors is an integer number (2992671232047).

Almost surely, 2^{20512602234004} is an apocalyptic number.

It is an amenable number.

20512602234004 is a deficient number, since it is larger than the sum of its proper divisors (15399452550560).

20512602234004 is a wasteful number, since it uses less digits than its factorization.

20512602234004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142982154 (or 2142982152 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 20512602234004 its reverse (40043220621502), we get a palindrome (60555822855506).

The spelling of 20512602234004 in words is "twenty trillion, five hundred twelve billion, six hundred two million, two hundred thirty-four thousand, four".