13100401020 has 48 divisors (see below), whose sum is σ = 41921284608. Its totient is φ = 2994377280.

The previous prime is 13100400997. The next prime is 13100401037. The reversal of 13100401020 is 2010400131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 13100400987 and 13100401005.

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, 15595296 + ... + 15596135.

It is an arithmetic number, because the mean of its divisors is an integer number (873360096).

Almost surely, 2^13100401020 is an apocalyptic number.

13100401020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13100401020 is an abundant number, since it is smaller than the sum of its proper divisors (28820883588).

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

13100401020 is a wasteful number, since it uses less digits than its factorization.

13100401020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31191450 (or 31191448 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 13100401020 its reverse (2010400131), we get a palindrome (15110801151).

The spelling of 13100401020 in words is "thirteen billion, one hundred million, four hundred one thousand, twenty".