20112112002 has 16 divisors (see below), whose sum is σ = 40281613632. Its totient is φ = 6694472400.

The previous prime is 20112111991. The next prime is 20112112057. The reversal of 20112112002 is 20021121102.

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 7 ways as a sum of consecutive naturals, for example, 2386678 + ... + 2395089.

It is an arithmetic number, because the mean of its divisors is an integer number (2517600852).

Almost surely, 2^20112112002 is an apocalyptic number.

20112112002 is an abundant number, since it is smaller than the sum of its proper divisors (20169501630).

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

20112112002 is a wasteful number, since it uses less digits than its factorization.

20112112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782473.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20112112002 its reverse (20021121102), we get a palindrome (40133233104).

The spelling of 20112112002 in words is "twenty billion, one hundred twelve million, one hundred twelve thousand, two".