20109102019192 has 32 divisors (see below), whose sum is σ = 38427217329600. Its totient is φ = 9863670672000.

The previous prime is 20109102019169. The next prime is 20109102019219. The reversal of 20109102019192 is 29191020190102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114074784 + ... + 114250927.

It is an arithmetic number, because the mean of its divisors is an integer number (1200850541550).

Almost surely, 2^{20109102019192} is an apocalyptic number.

It is an amenable number.

20109102019192 is a deficient number, since it is larger than the sum of its proper divisors (18318115310408).

20109102019192 is a wasteful number, since it uses less digits than its factorization.

20109102019192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228325927 (or 228325923 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 20109102019192 in words is "twenty trillion, one hundred nine billion, one hundred two million, nineteen thousand, one hundred ninety-two".