20211310232020 has 24 divisors (see below), whose sum is σ = 43812904762368. Its totient is φ = 7823732992800.

The previous prime is 20211310231999. The next prime is 20211310232023. The reversal of 20211310232020 is 2023201311202.

It is a super-2 number, since 2×20211310232020² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211310232023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16299443116 + ... + 16299444355.

It is an arithmetic number, because the mean of its divisors is an integer number (1825537698432).

Almost surely, 2^{20211310232020} is an apocalyptic number.

20211310232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211310232020 is an abundant number, since it is smaller than the sum of its proper divisors (23601594530348).

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

20211310232020 is a wasteful number, since it uses less digits than its factorization.

20211310232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32598887511 (or 32598887509 counting only the distinct ones).

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

Adding to 20211310232020 its reverse (2023201311202), we get a palindrome (22234511543222).

The spelling of 20211310232020 in words is "twenty trillion, two hundred eleven billion, three hundred ten million, two hundred thirty-two thousand, twenty".