20113222132020 has 48 divisors (see below), whose sum is σ = 56341161676800. Its totient is φ = 5361226882176.

The previous prime is 20113222132007. The next prime is 20113222132037. The reversal of 20113222132020 is 2023122231102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71703220 + ... + 71983179.

It is an arithmetic number, because the mean of its divisors is an integer number (1173774201600).

Almost surely, 2^{20113222132020} is an apocalyptic number.

20113222132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113222132020 is an abundant number, since it is smaller than the sum of its proper divisors (36227939544780).

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

20113222132020 is a wasteful number, since it uses less digits than its factorization.

20113222132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143688744 (or 143688742 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20113222132020 its reverse (2023122231102), we get a palindrome (22136344363122).

The spelling of 20113222132020 in words is "twenty trillion, one hundred thirteen billion, two hundred twenty-two million, one hundred thirty-two thousand, twenty".