100322312020 has 24 divisors (see below), whose sum is σ = 240773549184. Its totient is φ = 34396221216.

The previous prime is 100322312009. The next prime is 100322312033. The reversal of 100322312020 is 20213223001.

It is a junction number, because it is equal to n+sod(n) for n = 100322311985 and 100322312003.

It is a congruent number.

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, 358293832 + ... + 358294111.

It is an arithmetic number, because the mean of its divisors is an integer number (10032231216).

Almost surely, 2^100322312020 is an apocalyptic number.

100322312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100322312020 is an abundant number, since it is smaller than the sum of its proper divisors (140451237164).

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

100322312020 is a wasteful number, since it uses less digits than its factorization.

100322312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716587959 (or 716587957 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 100322312020 its reverse (20213223001), we get a palindrome (120535535021).

The spelling of 100322312020 in words is "one hundred billion, three hundred twenty-two million, three hundred twelve thousand, twenty".