20201102020988 has 12 divisors (see below), whose sum is σ = 40402204042032. Its totient is φ = 8657615151840.

The previous prime is 20201102020963. The next prime is 20201102020991. The reversal of 20201102020988 is 88902020110202.

20201102020988 is an admirable number.

It is a super-2 number, since 2×20201102020988² (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 3 ways as a sum of consecutive naturals, for example, 360733964633 + ... + 360733964688.

It is an arithmetic number, because the mean of its divisors is an integer number (3366850336836).

Almost surely, 2^{20201102020988} is an apocalyptic number.

20201102020988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20201102020988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20201102020988 is a wasteful number, since it uses less digits than its factorization.

20201102020988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721467929332 (or 721467929330 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

The spelling of 20201102020988 in words is "twenty trillion, two hundred one billion, one hundred two million, twenty thousand, nine hundred eighty-eight".