20013725454120 has 96 divisors (see below), whose sum is σ = 66802570141320. Its totient is φ = 5192750384640.

The previous prime is 20013725454017. The next prime is 20013725454127. The reversal of 20013725454120 is 2145452731002.

20013725454120 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 3 + 72 + 545 + 41 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18727619761764 + 1286105692356 = 4327542^2 + 1134066^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20013725454127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 751252651 + ... + 751279290.

Almost surely, 2^{20013725454120} is an apocalyptic number.

20013725454120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013725454120 is an abundant number, since it is smaller than the sum of its proper divisors (46788844687200).

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

20013725454120 is a wasteful number, since it uses less digits than its factorization.

20013725454120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502531995 (or 1502531988 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The spelling of 20013725454120 in words is "twenty trillion, thirteen billion, seven hundred twenty-five million, four hundred fifty-four thousand, one hundred twenty".