2130322321220 has 24 divisors (see below), whose sum is σ = 4474885805208. Its totient is φ = 851898656000.

The previous prime is 2130322321177. The next prime is 2130322321277. The reversal of 2130322321220 is 221232230312.

It can be written as a sum of positive squares in 4 ways, for example, as 117852736 + 2130204468484 = 10856^2 + 1459522^2 .

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, 14316161 + ... + 14464200.

It is an arithmetic number, because the mean of its divisors is an integer number (186453575217).

Almost surely, 2^{2130322321220} is an apocalyptic number.

2130322321220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130322321220 is an abundant number, since it is smaller than the sum of its proper divisors (2344563483988).

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

2130322321220 is a wasteful number, since it uses less digits than its factorization.

2130322321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28784071 (or 28784069 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2130322321220 its reverse (221232230312), we get a palindrome (2351554551532).

It can be divided in two parts, 2130322 and 321220, that added together give a palindrome (2451542).

The spelling of 2130322321220 in words is "two trillion, one hundred thirty billion, three hundred twenty-two million, three hundred twenty-one thousand, two hundred twenty".