20202231311020 has 48 divisors (see below), whose sum is σ = 46282061242368. Its totient is φ = 7346172935360.

The previous prime is 20202231310997. The next prime is 20202231311051. The reversal of 20202231311020 is 2011313220202.

20202231311020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 18215739 + ... + 19292941.

It is an arithmetic number, because the mean of its divisors is an integer number (964209609216).

Almost surely, 2^{20202231311020} is an apocalyptic number.

20202231311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202231311020 is an abundant number, since it is smaller than the sum of its proper divisors (26079829931348).

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

20202231311020 is a wasteful number, since it uses less digits than its factorization.

20202231311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162470 (or 1162468 counting only the distinct ones).

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

Adding to 20202231311020 its reverse (2011313220202), we get a palindrome (22213544531222).

The spelling of 20202231311020 in words is "twenty trillion, two hundred two billion, two hundred thirty-one million, three hundred eleven thousand, twenty".