20013725426530 has 64 divisors (see below), whose sum is σ = 39484299875328. Its totient is φ = 7243578682560.

The previous prime is 20013725426381. The next prime is 20013725426543. The reversal of 20013725426530 is 3562452731002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32180377 + ... + 32796403.

It is an arithmetic number, because the mean of its divisors is an integer number (616942185552).

Almost surely, 2^{20013725426530} is an apocalyptic number.

20013725426530 is a deficient number, since it is larger than the sum of its proper divisors (19470574448798).

20013725426530 is a wasteful number, since it uses less digits than its factorization.

20013725426530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617431.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 20013725426530 in words is "twenty trillion, thirteen billion, seven hundred twenty-five million, four hundred twenty-six thousand, five hundred thirty".