20130130120 has 64 divisors (see below), whose sum is σ = 45922665600. Its totient is φ = 7940851200.

The previous prime is 20130130091. The next prime is 20130130121. The reversal of 20130130120 is 2103103102.

It is a self number, because there is not a number n which added to its sum of digits gives 20130130120.

It is not an unprimeable number, because it can be changed into a prime (20130130121) 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, 827572 + ... + 851548.

It is an arithmetic number, because the mean of its divisors is an integer number (717541650).

Almost surely, 2^20130130120 is an apocalyptic number.

20130130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130130120 is an abundant number, since it is smaller than the sum of its proper divisors (25792535480).

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

20130130120 is a wasteful number, since it uses less digits than its factorization.

20130130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24278 (or 24274 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20130130120 its reverse (2103103102), we get a palindrome (22233233222).

The spelling of 20130130120 in words is "twenty billion, one hundred thirty million, one hundred thirty thousand, one hundred twenty".