20231310221200 has 90 divisors (see below), whose sum is σ = 52632232563894. Its totient is φ = 7470022210560.

The previous prime is 20231310221179. The next prime is 20231310221281. The reversal of 20231310221200 is 212201313202.

It can be written as a sum of positive squares in 9 ways, for example, as 5375034201744 + 14856276019456 = 2318412^2 + 3854384^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 149572269 + ... + 149707468.

Almost surely, 2^{20231310221200} is an apocalyptic number.

20231310221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20231310221200 is an abundant number, since it is smaller than the sum of its proper divisors (32400922342694).

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

20231310221200 is a wasteful number, since it uses less digits than its factorization.

20231310221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299279781 (or 299279757 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20231310221200 its reverse (212201313202), we get a palindrome (20443511534402).

The spelling of 20231310221200 in words is "twenty trillion, two hundred thirty-one billion, three hundred ten million, two hundred twenty-one thousand, two hundred".