20100302312100 has 36 divisors (see below), whose sum is σ = 58156874690544. Its totient is φ = 5360080616480.

The previous prime is 20100302312089. The next prime is 20100302312137. The reversal of 20100302312100 is 121320300102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20100302312100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33500503554 + ... + 33500504153.

It is an arithmetic number, because the mean of its divisors is an integer number (1615468741404).

Almost surely, 2^{20100302312100} is an apocalyptic number.

20100302312100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100302312100 is an abundant number, since it is smaller than the sum of its proper divisors (38056572378444).

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

20100302312100 is a wasteful number, since it uses less digits than its factorization.

20100302312100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67001007724 (or 67001007717 counting only the distinct ones).

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

Adding to 20100302312100 its reverse (121320300102), we get a palindrome (20221622612202).

The spelling of 20100302312100 in words is "twenty trillion, one hundred billion, three hundred two million, three hundred twelve thousand, one hundred".