100323012100020 has 96 divisors (see below), whose sum is σ = 303680469187200. Its totient is φ = 24659767401984.

The previous prime is 100323012100019. The next prime is 100323012100067. The reversal of 100323012100020 is 20001210323001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1189182715 + ... + 1189267074.

It is an arithmetic number, because the mean of its divisors is an integer number (3163338220700).

Almost surely, 2^{100323012100020} is an apocalyptic number.

100323012100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100323012100020 is an abundant number, since it is smaller than the sum of its proper divisors (203357457087180).

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

100323012100020 is a wasteful number, since it uses less digits than its factorization.

100323012100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378449857 (or 2378449855 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 100323012100020 its reverse (20001210323001), we get a palindrome (120324222423021).

The spelling of 100323012100020 in words is "one hundred trillion, three hundred twenty-three billion, twelve million, one hundred thousand, twenty".