100231202020 has 48 divisors (see below), whose sum is σ = 223128945648. Its totient is φ = 37689753600.

The previous prime is 100231201991. The next prime is 100231202033. The reversal of 100231202020 is 20202132001.

It can be written as a sum of positive squares in 8 ways, for example, as 17345943616 + 82885258404 = 131704^2 + 287898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117220 + ... + 462820.

It is an arithmetic number, because the mean of its divisors is an integer number (4648519701).

Almost surely, 2^100231202020 is an apocalyptic number.

100231202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100231202020 is an abundant number, since it is smaller than the sum of its proper divisors (122897743628).

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

100231202020 is a wasteful number, since it uses less digits than its factorization.

100231202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346480 (or 346478 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 100231202020 its reverse (20202132001), we get a palindrome (120433334021).

The spelling of 100231202020 in words is "one hundred billion, two hundred thirty-one million, two hundred two thousand, twenty".