20012130120 has 32 divisors (see below), whose sum is σ = 60036390720. Its totient is φ = 5336568000.

The previous prime is 20012130067. The next prime is 20012130121. The reversal of 20012130120 is 2103121002.

It is a super-2 number, since 2×20012130120² (a number of 21 digits) contains 22 as substring.

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 = 20012130096 and 20012130105.

It is not an unprimeable number, because it can be changed into a prime (20012130121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83383756 + ... + 83383995.

It is an arithmetic number, because the mean of its divisors is an integer number (1876137210).

Almost surely, 2^20012130120 is an apocalyptic number.

20012130120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012130120 is an abundant number, since it is smaller than the sum of its proper divisors (40024260600).

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

20012130120 is a wasteful number, since it uses less digits than its factorization.

20012130120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166767765 (or 166767761 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20012130120 its reverse (2103121002), we get a palindrome (22115251122).

The spelling of 20012130120 in words is "twenty billion, twelve million, one hundred thirty thousand, one hundred twenty".