20100312220232 has 16 divisors (see below), whose sum is σ = 37691130116400. Its totient is φ = 10049344189200.

The previous prime is 20100312220193. The next prime is 20100312220249. The reversal of 20100312220232 is 23202221300102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101384894 + ... + 101582957.

It is an arithmetic number, because the mean of its divisors is an integer number (2355695632275).

Almost surely, 2^{20100312220232} is an apocalyptic number.

It is an amenable number.

20100312220232 is a deficient number, since it is larger than the sum of its proper divisors (17590817896168).

20100312220232 is a wasteful number, since it uses less digits than its factorization.

20100312220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202980236 (or 202980232 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20100312220232 its reverse (23202221300102), we get a palindrome (43302533520334).

The spelling of 20100312220232 in words is "twenty trillion, one hundred billion, three hundred twelve million, two hundred twenty thousand, two hundred thirty-two".