20101320300100 has 72 divisors (see below), whose sum is σ = 48490569682688. Its totient is φ = 7182605750400.

The previous prime is 20101320300053. The next prime is 20101320300109. The reversal of 20101320300100 is 100302310102.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (20101320300109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249355734 + ... + 249436333.

Almost surely, 2^{20101320300100} is an apocalyptic number.

20101320300100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101320300100 is an abundant number, since it is smaller than the sum of its proper divisors (28389249382588).

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

20101320300100 is a wasteful number, since it uses less digits than its factorization.

20101320300100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498792125 (or 498792118 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20101320300100 its reverse (100302310102), we get a palindrome (20201622610202).

The spelling of 20101320300100 in words is "twenty trillion, one hundred one billion, three hundred twenty million, three hundred thousand, one hundred".