202323330021220 has 48 divisors (see below), whose sum is σ = 424975951572480. Its totient is φ = 80910865961856.

The previous prime is 202323330021199. The next prime is 202323330021227. The reversal of 202323330021220 is 22120033323202.

It is not an unprimeable number, because it can be changed into a prime (202323330021227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657796961 + ... + 1657918999.

It is an arithmetic number, because the mean of its divisors is an integer number (8853665657760).

Almost surely, 2^{202323330021220} is an apocalyptic number.

202323330021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202323330021220 is an abundant number, since it is smaller than the sum of its proper divisors (222652621551260).

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

202323330021220 is a wasteful number, since it uses less digits than its factorization.

202323330021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140284 (or 140282 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 202323330021220 its reverse (22120033323202), we get a palindrome (224443363344422).

The spelling of 202323330021220 in words is "two hundred two trillion, three hundred twenty-three billion, three hundred thirty million, twenty-one thousand, two hundred twenty".