20013725100030 has 64 divisors (see below), whose sum is σ = 49448305044288. Its totient is φ = 5180415851520.

The previous prime is 20013725099981. The next prime is 20013725100091. The reversal of 20013725100030 is 3000152731002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20946447 + ... + 21881066.

It is an arithmetic number, because the mean of its divisors is an integer number (772629766317).

Almost surely, 2^{20013725100030} is an apocalyptic number.

20013725100030 is an abundant number, since it is smaller than the sum of its proper divisors (29434579944258).

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

20013725100030 is a wasteful number, since it uses less digits than its factorization.

20013725100030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42827981.

The product of its (nonzero) digits is 1260, while the sum is 24.

Adding to 20013725100030 its reverse (3000152731002), we get a palindrome (23013877831032).

The spelling of 20013725100030 in words is "twenty trillion, thirteen billion, seven hundred twenty-five million, one hundred thousand, thirty".