20013725755570 has 64 divisors (see below), whose sum is σ = 37900844110080. Its totient is φ = 7598435910912.

The previous prime is 20013725755547. The next prime is 20013725755577. The reversal of 20013725755570 is 7555752731002.

It is not an unprimeable number, because it can be changed into a prime (20013725755577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8404872 + ... + 10519948.

It is an arithmetic number, because the mean of its divisors is an integer number (592200689220).

Almost surely, 2^{20013725755570} is an apocalyptic number.

20013725755570 is a deficient number, since it is larger than the sum of its proper divisors (17887118354510).

20013725755570 is a wasteful number, since it uses less digits than its factorization.

20013725755570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115667.

The product of its (nonzero) digits is 2572500, while the sum is 49.

The spelling of 20013725755570 in words is "twenty trillion, thirteen billion, seven hundred twenty-five million, seven hundred fifty-five thousand, five hundred seventy".