201013320120 has 64 divisors (see below), whose sum is σ = 608675886720. Its totient is φ = 53102580864.

The previous prime is 201013320089. The next prime is 201013320121. The reversal of 201013320120 is 21023310102.

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 201013320120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201013320121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7814782 + ... + 7840461.

It is an arithmetic number, because the mean of its divisors is an integer number (9510560730).

Almost surely, 2^201013320120 is an apocalyptic number.

201013320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201013320120 is an abundant number, since it is smaller than the sum of its proper divisors (407662566600).

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

201013320120 is a wasteful number, since it uses less digits than its factorization.

201013320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15655364 (or 15655360 counting only the distinct ones).

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

Adding to 201013320120 its reverse (21023310102), we get a palindrome (222036630222).

The spelling of 201013320120 in words is "two hundred one billion, thirteen million, three hundred twenty thousand, one hundred twenty".