20104102054125 has 64 divisors (see below), whose sum is σ = 37587894739200. Its totient is φ = 10601713584000.

The previous prime is 20104102054117. The next prime is 20104102054243. The reversal of 20104102054125 is 52145020140102.

It is a happy number.

20104102054125 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 41 + 0 + 205 + 412 + 5 = 666.

It is not a de Polignac number, because 20104102054125 - 2³ = 20104102054117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33164631 + ... + 33765380.

It is an arithmetic number, because the mean of its divisors is an integer number (587310855300).

Almost surely, 2^{20104102054125} is an apocalyptic number.

20104102054125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20104102054125 is a deficient number, since it is larger than the sum of its proper divisors (17483792685075).

20104102054125 is an equidigital number, since it uses as much as digits as its factorization.

20104102054125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66930124 (or 66930108 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 20104102054125 its reverse (52145020140102), we get a palindrome (72249122194227).

The spelling of 20104102054125 in words is "twenty trillion, one hundred four billion, one hundred two million, fifty-four thousand, one hundred twenty-five".