20323122130020 has 96 divisors (see below), whose sum is σ = 57459526225920. Its totient is φ = 5366666874240.

The previous prime is 20323122129991. The next prime is 20323122130043. The reversal of 20323122130020 is 2003122132302.

It is a happy number.

It is a super-2 number, since 2×20323122130020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205070841 + ... + 205169919.

It is an arithmetic number, because the mean of its divisors is an integer number (598536731520).

Almost surely, 2^{20323122130020} is an apocalyptic number.

20323122130020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323122130020 is an abundant number, since it is smaller than the sum of its proper divisors (37136404095900).

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

20323122130020 is a wasteful number, since it uses less digits than its factorization.

20323122130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132385 (or 132383 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20323122130020 its reverse (2003122132302), we get a palindrome (22326244262322).

The spelling of 20323122130020 in words is "twenty trillion, three hundred twenty-three billion, one hundred twenty-two million, one hundred thirty thousand, twenty".