202130432340 has 24 divisors (see below), whose sum is σ = 565965210720. Its totient is φ = 53901448608.

The previous prime is 202130432311. The next prime is 202130432363. The reversal of 202130432340 is 43234031202.

It is a self number, because there is not a number n which added to its sum of digits gives 202130432340.

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, 1684420210 + ... + 1684420329.

It is an arithmetic number, because the mean of its divisors is an integer number (23581883780).

Almost surely, 2^202130432340 is an apocalyptic number.

202130432340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202130432340 is an abundant number, since it is smaller than the sum of its proper divisors (363834778380).

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

202130432340 is a wasteful number, since it uses less digits than its factorization.

202130432340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368840551 (or 3368840549 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 202130432340 its reverse (43234031202), we get a palindrome (245364463542).

The spelling of 202130432340 in words is "two hundred two billion, one hundred thirty million, four hundred thirty-two thousand, three hundred forty".