20323231013000 has 32 divisors (see below), whose sum is σ = 47556360572760. Its totient is φ = 8129292404800.

The previous prime is 20323231012979. The next prime is 20323231013023. The reversal of 20323231013000 is 31013232302.

It can be written as a sum of positive squares in 4 ways, for example, as 3291778834276 + 17031452178724 = 1814326^2 + 4126918^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 10161614507 + ... + 10161616506.

Almost surely, 2^{20323231013000} is an apocalyptic number.

20323231013000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20323231013000 is an abundant number, since it is smaller than the sum of its proper divisors (27233129559760).

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

20323231013000 is a wasteful number, since it uses less digits than its factorization.

20323231013000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20323231034 (or 20323231020 counting only the distinct ones).

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

Adding to 20323231013000 its reverse (31013232302), we get a palindrome (20354244245302).

The spelling of 20323231013000 in words is "twenty trillion, three hundred twenty-three billion, two hundred thirty-one million, thirteen thousand".