20111948996 has 12 divisors (see below), whose sum is σ = 35243285952. Its totient is φ = 10042438728.

The previous prime is 20111948971. The next prime is 20111949001. The reversal of 20111948996 is 69984911102.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3380600 + ... + 3386543.

It is an arithmetic number, because the mean of its divisors is an integer number (2936940496).

Almost surely, 2^20111948996 is an apocalyptic number.

It is an amenable number.

20111948996 is a deficient number, since it is larger than the sum of its proper divisors (15131336956).

20111948996 is a wasteful number, since it uses less digits than its factorization.

20111948996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767890 (or 6767888 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 20111948996 in words is "twenty billion, one hundred eleven million, nine hundred forty-eight thousand, nine hundred ninety-six".