20122057570616 has 32 divisors (see below), whose sum is σ = 37801387444800. Its totient is φ = 10041696230400.

The previous prime is 20122057570613. The next prime is 20122057570621. The reversal of 20122057570616 is 61607575022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122057570613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18160241 + ... + 19236383.

It is an arithmetic number, because the mean of its divisors is an integer number (1181293357650).

Almost surely, 2^{20122057570616} is an apocalyptic number.

It is an amenable number.

20122057570616 is a deficient number, since it is larger than the sum of its proper divisors (17679329874184).

20122057570616 is a wasteful number, since it uses less digits than its factorization.

20122057570616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080639 (or 1080635 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 20122057570616 in words is "twenty trillion, one hundred twenty-two billion, fifty-seven million, five hundred seventy thousand, six hundred sixteen".