20133011194 has 32 divisors (see below), whose sum is σ = 31314995712. Its totient is φ = 9697752000.

The previous prime is 20133011183. The next prime is 20133011207. The reversal of 20133011194 is 49111033102.

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, 19718404 + ... + 19719424.

It is an arithmetic number, because the mean of its divisors is an integer number (978593616).

Almost surely, 2^20133011194 is an apocalyptic number.

20133011194 is a deficient number, since it is larger than the sum of its proper divisors (11181984518).

20133011194 is a wasteful number, since it uses less digits than its factorization.

20133011194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 20133011194 its reverse (49111033102), we get a palindrome (69244044296).

The spelling of 20133011194 in words is "twenty billion, one hundred thirty-three million, eleven thousand, one hundred ninety-four".