202312320201220 has 48 divisors (see below), whose sum is σ = 429184586428416. Its totient is φ = 80100867600000.

The previous prime is 202312320201209. The next prime is 202312320201227. The reversal of 202312320201220 is 22102023213202.

It is a junction number, because it is equal to n+sod(n) for n = 202312320201191 and 202312320201200.

It is not an unprimeable number, because it can be changed into a prime (202312320201227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7170756 + ... + 21355195.

It is an arithmetic number, because the mean of its divisors is an integer number (8941345550592).

Almost surely, 2^{202312320201220} is an apocalyptic number.

202312320201220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202312320201220 is an abundant number, since it is smaller than the sum of its proper divisors (226872266227196).

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

202312320201220 is a wasteful number, since it uses less digits than its factorization.

202312320201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28529572 (or 28529570 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 202312320201220 its reverse (22102023213202), we get a palindrome (224414343414422).

The spelling of 202312320201220 in words is "two hundred two trillion, three hundred twelve billion, three hundred twenty million, two hundred one thousand, two hundred twenty".