20125434025210 has 16 divisors (see below), whose sum is σ = 37204856414856. Its totient is φ = 7832601350208.

The previous prime is 20125434025201. The next prime is 20125434025217. The reversal of 20125434025210 is 1252043452102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15110642592081 + 5014791433129 = 3887241^2 + 2239373^2 .

It is not an unprimeable number, because it can be changed into a prime (20125434025217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27196532097 + ... + 27196532836.

Almost surely, 2^{20125434025210} is an apocalyptic number.

20125434025210 is a deficient number, since it is larger than the sum of its proper divisors (17079422389646).

20125434025210 is a wasteful number, since it uses less digits than its factorization.

20125434025210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54393064977.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 20125434025210 its reverse (1252043452102), we get a palindrome (21377477477312).

The spelling of 20125434025210 in words is "twenty trillion, one hundred twenty-five billion, four hundred thirty-four million, twenty-five thousand, two hundred ten".