12320274020 has 24 divisors (see below), whose sum is σ = 25901979768. Its totient is φ = 4922508800.

The previous prime is 12320274013. The next prime is 12320274041. The reversal of 12320274020 is 2047202321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 285745216 + 12034528804 = 16904^2 + 109702^2 .

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, 331991 + ... + 367230.

It is an arithmetic number, because the mean of its divisors is an integer number (1079249157).

Almost surely, 2^12320274020 is an apocalyptic number.

12320274020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12320274020 is an abundant number, since it is smaller than the sum of its proper divisors (13581705748).

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

12320274020 is a wasteful number, since it uses less digits than its factorization.

12320274020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700111 (or 700109 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 12320274020 its reverse (2047202321), we get a palindrome (14367476341).

The spelling of 12320274020 in words is "twelve billion, three hundred twenty million, two hundred seventy-four thousand, twenty".