20323130023212 has 24 divisors (see below), whose sum is σ = 47423706251712. Its totient is φ = 6773938170000.

The previous prime is 20323130023199. The next prime is 20323130023213. The reversal of 20323130023212 is 21232003132302.

It is a super-2 number, since 2×20323130023212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20323130023213) 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, 54619914 + ... + 54990737.

It is an arithmetic number, because the mean of its divisors is an integer number (1975987760488).

Almost surely, 2^{20323130023212} is an apocalyptic number.

It is an amenable number.

20323130023212 is an abundant number, since it is smaller than the sum of its proper divisors (27100576228500).

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

20323130023212 is a wasteful number, since it uses less digits than its factorization.

20323130023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109626109 (or 109626107 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20323130023212 its reverse (21232003132302), we get a palindrome (41555133155514).

The spelling of 20323130023212 in words is "twenty trillion, three hundred twenty-three billion, one hundred thirty million, twenty-three thousand, two hundred twelve".