20392453097 has 8 divisors (see below), whose sum is σ = 20954009856. Its totient is φ = 19831444272.

The previous prime is 20392453069. The next prime is 20392453099. The reversal of 20392453097 is 79035429302.

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

It is a cyclic number.

It is not a de Polignac number, because 20392453097 - 2²⁰ = 20391404521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20392453099) 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, 60953 + ... + 210950.

It is an arithmetic number, because the mean of its divisors is an integer number (2619251232).

Almost surely, 2^20392453097 is an apocalyptic number.

It is an amenable number.

20392453097 is a deficient number, since it is larger than the sum of its proper divisors (561556759).

20392453097 is a wasteful number, since it uses less digits than its factorization.

20392453097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273967.

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 20392453097 in words is "twenty billion, three hundred ninety-two million, four hundred fifty-three thousand, ninety-seven".