13100020320020 has 48 divisors (see below), whose sum is σ = 27675344632320. Its totient is φ = 5208593367936.

The previous prime is 13100020319999. The next prime is 13100020320031. The reversal of 13100020320020 is 2002302000131.

It is a happy number.

It is a super-2 number, since 2×13100020320020² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13100020319977 and 13100020320004.

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, 710594 + ... + 5167686.

It is an arithmetic number, because the mean of its divisors is an integer number (576569679840).

Almost surely, 2^{13100020320020} is an apocalyptic number.

13100020320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13100020320020 is an abundant number, since it is smaller than the sum of its proper divisors (14575324312300).

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

13100020320020 is a wasteful number, since it uses less digits than its factorization.

13100020320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457984 (or 4457982 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13100020320020 its reverse (2002302000131), we get a palindrome (15102322320151).

The spelling of 13100020320020 in words is "thirteen trillion, one hundred billion, twenty million, three hundred twenty thousand, twenty".