20202111330312 has 32 divisors (see below), whose sum is σ = 50539242960000. Its totient is φ = 6729508492224.

The previous prime is 20202111330311. The next prime is 20202111330337. The reversal of 20202111330312 is 21303311120202.

It is not an unprimeable number, because it can be changed into a prime (20202111330311) 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, 283002187 + ... + 283073562.

It is an arithmetic number, because the mean of its divisors is an integer number (1579351342500).

Almost surely, 2^{20202111330312} is an apocalyptic number.

It is an amenable number.

20202111330312 is an abundant number, since it is smaller than the sum of its proper divisors (30337131629688).

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

20202111330312 is a wasteful number, since it uses less digits than its factorization.

20202111330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566077245 (or 566077241 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20202111330312 its reverse (21303311120202), we get a palindrome (41505422450514).

The spelling of 20202111330312 in words is "twenty trillion, two hundred two billion, one hundred eleven million, three hundred thirty thousand, three hundred twelve".