20120113002 has 32 divisors (see below), whose sum is σ = 44178058944. Its totient is φ = 6058166400.

The previous prime is 20120112989. The next prime is 20120113033. The reversal of 20120113002 is 20031102102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960499 + ... + 981222.

It is an arithmetic number, because the mean of its divisors is an integer number (1380564342).

Almost surely, 2^20120113002 is an apocalyptic number.

20120113002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20120113002 is an abundant number, since it is smaller than the sum of its proper divisors (24057945942).

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

20120113002 is a wasteful number, since it uses less digits than its factorization.

20120113002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1941894.

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

Adding to 20120113002 its reverse (20031102102), we get a palindrome (40151215104).

The spelling of 20120113002 in words is "twenty billion, one hundred twenty million, one hundred thirteen thousand, two".