202431302240 has 48 divisors (see below), whose sum is σ = 485381946672. Its totient is φ = 79763971584.

The previous prime is 202431302233. The next prime is 202431302267. The reversal of 202431302240 is 42203134202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9431039 + ... + 9452478.

It is an arithmetic number, because the mean of its divisors is an integer number (10112123889).

Almost surely, 2^202431302240 is an apocalyptic number.

202431302240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202431302240 is an abundant number, since it is smaller than the sum of its proper divisors (282950644432).

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

202431302240 is a wasteful number, since it uses less digits than its factorization.

202431302240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18883599 (or 18883591 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 202431302240 its reverse (42203134202), we get a palindrome (244634436442).

The spelling of 202431302240 in words is "two hundred two billion, four hundred thirty-one million, three hundred two thousand, two hundred forty".