202232320401 has 64 divisors (see below), whose sum is σ = 280831668480. Its totient is φ = 129392640000.

The previous prime is 202232320387. The next prime is 202232320421. The reversal of 202232320401 is 104023232202.

It is not a de Polignac number, because 202232320401 - 2⁶ = 202232320337 is a prime.

It is a super-2 number, since 2×202232320401² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202232320421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 504319801 + ... + 504320201.

It is an arithmetic number, because the mean of its divisors is an integer number (4387994820).

Almost surely, 2^202232320401 is an apocalyptic number.

It is an amenable number.

202232320401 is a deficient number, since it is larger than the sum of its proper divisors (78599348079).

202232320401 is a wasteful number, since it uses less digits than its factorization.

202232320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 202232320401 its reverse (104023232202), we get a palindrome (306255552603).

The spelling of 202232320401 in words is "two hundred two billion, two hundred thirty-two million, three hundred twenty thousand, four hundred one".