202313130320 has 80 divisors (see below), whose sum is σ = 545598496128. Its totient is φ = 68329198080.

The previous prime is 202313130319. The next prime is 202313130343. The reversal of 202313130320 is 23031313202.

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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 202313130292 and 202313130301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2658551 + ... + 2733590.

Almost surely, 2^202313130320 is an apocalyptic number.

202313130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202313130320 is an abundant number, since it is smaller than the sum of its proper divisors (343285365808).

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

202313130320 is a wasteful number, since it uses less digits than its factorization.

202313130320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5392228 (or 5392222 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 202313130320 its reverse (23031313202), we get a palindrome (225344443522).

The spelling of 202313130320 in words is "two hundred two billion, three hundred thirteen million, one hundred thirty thousand, three hundred twenty".