20323231231130 has 16 divisors (see below), whose sum is σ = 37761874804224. Its totient is φ = 7867057250640.

The previous prime is 20323231231129. The next prime is 20323231231211. The reversal of 20323231231130 is 3113213232302.

It is a self number, because there is not a number n which added to its sum of digits gives 20323231231130.

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, 32779404902 + ... + 32779405521.

It is an arithmetic number, because the mean of its divisors is an integer number (2360117175264).

Almost surely, 2^{20323231231130} is an apocalyptic number.

20323231231130 is a deficient number, since it is larger than the sum of its proper divisors (17438643573094).

20323231231130 is a wasteful number, since it uses less digits than its factorization.

20323231231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65558810461.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20323231231130 its reverse (3113213232302), we get a palindrome (23436444463432).

The spelling of 20323231231130 in words is "twenty trillion, three hundred twenty-three billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty".