20497114166 has 8 divisors (see below), whose sum is σ = 32554240200. Its totient is φ = 9645700768.

The previous prime is 20497114147. The next prime is 20497114193. The reversal of 20497114166 is 66141179402.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301428116 + ... + 301428183.

It is an arithmetic number, because the mean of its divisors is an integer number (4069280025).

Almost surely, 2^20497114166 is an apocalyptic number.

20497114166 is a deficient number, since it is larger than the sum of its proper divisors (12057126034).

20497114166 is a wasteful number, since it uses less digits than its factorization.

20497114166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602856318.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 20497114166 in words is "twenty billion, four hundred ninety-seven million, one hundred fourteen thousand, one hundred sixty-six".