20109192011002 has 16 divisors (see below), whose sum is σ = 31938211706112. Its totient is φ = 9463124524480.

The previous prime is 20109192010997. The next prime is 20109192011023. The reversal of 20109192011002 is 20011029190102.

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, 24165477 + ... + 24983767.

It is an arithmetic number, because the mean of its divisors is an integer number (1996138231632).

Almost surely, 2^{20109192011002} is an apocalyptic number.

20109192011002 is a deficient number, since it is larger than the sum of its proper divisors (11829019695110).

20109192011002 is a wasteful number, since it uses less digits than its factorization.

20109192011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541093.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 20109192011002 in words is "twenty trillion, one hundred nine billion, one hundred ninety-two million, eleven thousand, two".