13103312100020 has 48 divisors (see below), whose sum is σ = 28715614760448. Its totient is φ = 5013044805120.

The previous prime is 13103312100013. The next prime is 13103312100097. The reversal of 13103312100020 is 2000121330131.

It is a congruent number.

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, 4732037 + ... + 6971283.

It is an arithmetic number, because the mean of its divisors is an integer number (598241974176).

Almost surely, 2^{13103312100020} is an apocalyptic number.

13103312100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103312100020 is an abundant number, since it is smaller than the sum of its proper divisors (15612302660428).

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

13103312100020 is a wasteful number, since it uses less digits than its factorization.

13103312100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252000 (or 2251998 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13103312100020 its reverse (2000121330131), we get a palindrome (15103433430151).

The spelling of 13103312100020 in words is "thirteen trillion, one hundred three billion, three hundred twelve million, one hundred thousand, twenty".