20112133022020 has 48 divisors (see below), whose sum is σ = 45488995720560. Its totient is φ = 7425261881856.

The previous prime is 20112133021973. The next prime is 20112133022057. The reversal of 20112133022020 is 2022033121102.

It can be written as a sum of positive squares in 8 ways, for example, as 1698267686976 + 18413865335044 = 1303176^2 + 4291138^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379467 + ... + 6490546.

It is an arithmetic number, because the mean of its divisors is an integer number (947687410845).

Almost surely, 2^{20112133022020} is an apocalyptic number.

20112133022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112133022020 is an abundant number, since it is smaller than the sum of its proper divisors (25376862698540).

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

20112133022020 is a wasteful number, since it uses less digits than its factorization.

20112133022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7879864 (or 7879862 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20112133022020 its reverse (2022033121102), we get a palindrome (22134166143122).

The spelling of 20112133022020 in words is "twenty trillion, one hundred twelve billion, one hundred thirty-three million, twenty-two thousand, twenty".