20092903891 has 12 divisors (see below), whose sum is σ = 22272388272. Its totient is φ = 18088746368.

The previous prime is 20092903879. The next prime is 20092903927. The reversal of 20092903891 is 19830929002.

It is not a de Polignac number, because 20092903891 - 2¹⁹ = 20092379603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20092903841) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1504780 + ... + 1518073.

It is an arithmetic number, because the mean of its divisors is an integer number (1856032356).

Almost surely, 2^20092903891 is an apocalyptic number.

20092903891 is a deficient number, since it is larger than the sum of its proper divisors (2179484381).

20092903891 is a wasteful number, since it uses less digits than its factorization.

20092903891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022910 (or 3022893 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 20092903891 in words is "twenty billion, ninety-two million, nine hundred three thousand, eight hundred ninety-one".