20112002196 has 48 divisors (see below), whose sum is σ = 55132206528. Its totient is φ = 5625734400.

The previous prime is 20112002191. The next prime is 20112002237. The reversal of 20112002196 is 69120021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112002191) 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, 5858425 + ... + 5861856.

It is an arithmetic number, because the mean of its divisors is an integer number (1148587636).

Almost surely, 2^20112002196 is an apocalyptic number.

20112002196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20112002196 is an abundant number, since it is smaller than the sum of its proper divisors (35020204332).

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

20112002196 is a wasteful number, since it uses less digits than its factorization.

20112002196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720312 (or 11720310 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

Adding to 20112002196 its reverse (69120021102), we get a palindrome (89232023298).

The spelling of 20112002196 in words is "twenty billion, one hundred twelve million, two thousand, one hundred ninety-six".