20000929191 has 8 divisors (see below), whose sum is σ = 27827379840. Its totient is φ = 12754215672.

The previous prime is 20000929183. The next prime is 20000929211. The reversal of 20000929191 is 19192900002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20000929191 - 2³ = 20000929183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000929171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144934201 + ... + 144934338.

It is an arithmetic number, because the mean of its divisors is an integer number (3478422480).

Almost surely, 2^20000929191 is an apocalyptic number.

20000929191 is a deficient number, since it is larger than the sum of its proper divisors (7826450649).

20000929191 is a wasteful number, since it uses less digits than its factorization.

20000929191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289868565.

The product of its (nonzero) digits is 2916, while the sum is 33.

The spelling of 20000929191 in words is "twenty billion, nine hundred twenty-nine thousand, one hundred ninety-one".