20013120310200 has 96 divisors (see below), whose sum is σ = 62041953726000. Its totient is φ = 5336721909760.

The previous prime is 20013120310159. The next prime is 20013120310201. The reversal of 20013120310200 is 201302131002.

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 20013120310200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013120310201) 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, 31141726 + ... + 31777874.

Almost surely, 2^{20013120310200} is an apocalyptic number.

20013120310200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013120310200 is an abundant number, since it is smaller than the sum of its proper divisors (42028833415800).

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

20013120310200 is a wasteful number, since it uses less digits than its factorization.

20013120310200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688601 (or 688592 counting only the distinct ones).

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

Adding to 20013120310200 its reverse (201302131002), we get a palindrome (20214422441202).

The spelling of 20013120310200 in words is "twenty trillion, thirteen billion, one hundred twenty million, three hundred ten thousand, two hundred".