20032417091 has 4 divisors (see below), whose sum is σ = 20032706184. Its totient is φ = 20032128000.

The previous prime is 20032417073. The next prime is 20032417159. The reversal of 20032417091 is 19071423002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19071423002 = 2 ⋅9535711501.

It is a cyclic number.

It is not a de Polignac number, because 20032417091 - 2²⁶ = 19965308227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032417001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28256 + ... + 202146.

It is an arithmetic number, because the mean of its divisors is an integer number (5008176546).

Almost surely, 2^20032417091 is an apocalyptic number.

20032417091 is a deficient number, since it is larger than the sum of its proper divisors (289093).

20032417091 is a wasteful number, since it uses less digits than its factorization.

20032417091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289092.

The product of its (nonzero) digits is 3024, while the sum is 29.

The spelling of 20032417091 in words is "twenty billion, thirty-two million, four hundred seventeen thousand, ninety-one".