20201020100988 has 24 divisors (see below), whose sum is σ = 47138301536592. Its totient is φ = 6733303657344.

The previous prime is 20201020100971. The next prime is 20201020101019. The reversal of 20201020100988 is 88900102010202.

It is a super-2 number, since 2×20201020100988² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45985995 + ... + 46423202.

It is an arithmetic number, because the mean of its divisors is an integer number (1964095897358).

Almost surely, 2^{20201020100988} is an apocalyptic number.

It is an amenable number.

20201020100988 is an abundant number, since it is smaller than the sum of its proper divisors (26937281435604).

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

20201020100988 is a wasteful number, since it uses less digits than its factorization.

20201020100988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92427421 (or 92427419 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 20201020100988 in words is "twenty trillion, two hundred one billion, twenty million, one hundred thousand, nine hundred eighty-eight".