202313222320 has 80 divisors (see below), whose sum is σ = 513249640992. Its totient is φ = 73552711680.

The previous prime is 202313222263. The next prime is 202313222323. The reversal of 202313222320 is 23222313202.

202313222320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 202313222291 and 202313222300.

It is not an unprimeable number, because it can be changed into a prime (202313222323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4583074 + ... + 4627006.

Almost surely, 2^202313222320 is an apocalyptic number.

202313222320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202313222320 is an abundant number, since it is smaller than the sum of its proper divisors (310936418672).

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

202313222320 is a wasteful number, since it uses less digits than its factorization.

202313222320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49190 (or 49184 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 202313222320 its reverse (23222313202), we get a palindrome (225535535522).

The spelling of 202313222320 in words is "two hundred two billion, three hundred thirteen million, two hundred twenty-two thousand, three hundred twenty".