2315200022020 has 48 divisors (see below), whose sum is σ = 4981676576688. Its totient is φ = 903279882240.

The previous prime is 2315200021963. The next prime is 2315200022099. The reversal of 2315200022020 is 202200025132.

It can be written as a sum of positive squares in 8 ways, for example, as 706325946624 + 1608874075396 = 840432^2 + 1268414^2 .

It is a super-2 number, since 2×2315200022020² (a number of 26 digits) contains 22 as substring.

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, 3173482 + ... + 3834238.

It is an arithmetic number, because the mean of its divisors is an integer number (103784928681).

Almost surely, 2^{2315200022020} is an apocalyptic number.

2315200022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315200022020 is an abundant number, since it is smaller than the sum of its proper divisors (2666476554668).

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

2315200022020 is a wasteful number, since it uses less digits than its factorization.

2315200022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665080 (or 665078 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 2315200022020 its reverse (202200025132), we get a palindrome (2517400047152).

The spelling of 2315200022020 in words is "two trillion, three hundred fifteen billion, two hundred million, twenty-two thousand, twenty".