202323320131220 has 24 divisors (see below), whose sum is σ = 447241023448800. Its totient is φ = 76669889733792.

The previous prime is 202323320131217. The next prime is 202323320131223. The reversal of 202323320131220 is 22131023323202.

It is an interprime number because it is at equal distance from previous prime (202323320131217) and next prime (202323320131223).

It is a self number, because there is not a number n which added to its sum of digits gives 202323320131220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202323320131223) 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 7 ways as a sum of consecutive naturals, for example, 266214894530 + ... + 266214895289.

It is an arithmetic number, because the mean of its divisors is an integer number (18635042643700).

Almost surely, 2^{202323320131220} is an apocalyptic number.

202323320131220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202323320131220 is an abundant number, since it is smaller than the sum of its proper divisors (244917703317580).

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

202323320131220 is a wasteful number, since it uses less digits than its factorization.

202323320131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532429789847 (or 532429789845 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 202323320131220 its reverse (22131023323202), we get a palindrome (224454343454422).

The spelling of 202323320131220 in words is "two hundred two trillion, three hundred twenty-three billion, three hundred twenty million, one hundred thirty-one thousand, two hundred twenty".