20130111120 has 160 divisors (see below), whose sum is σ = 73057824000. Its totient is φ = 4488929280.

The previous prime is 20130111091. The next prime is 20130111167. The reversal of 20130111120 is 2111103102.

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 = 20130111096 and 20130111105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77245 + ... + 215004.

It is an arithmetic number, because the mean of its divisors is an integer number (456611400).

Almost surely, 2^20130111120 is an apocalyptic number.

20130111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20130111120 is an abundant number, since it is smaller than the sum of its proper divisors (52927712880).

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

20130111120 is a wasteful number, since it uses less digits than its factorization.

20130111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292313 (or 292307 counting only the distinct ones).

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

Adding to 20130111120 its reverse (2111103102), we get a palindrome (22241214222).

The spelling of 20130111120 in words is "twenty billion, one hundred thirty million, one hundred eleven thousand, one hundred twenty".