20622057166097 has 16 divisors (see below), whose sum is σ = 22524047550720. Its totient is φ = 18801236107008.

The previous prime is 20622057166069. The next prime is 20622057166129. The reversal of 20622057166097 is 79066175022602.

It is a cyclic number.

It is not a de Polignac number, because 20622057166097 - 2¹⁴ = 20622057149713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20622057166037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72071897 + ... + 72357462.

It is an arithmetic number, because the mean of its divisors is an integer number (1407752971920).

Almost surely, 2^{20622057166097} is an apocalyptic number.

It is an amenable number.

20622057166097 is a deficient number, since it is larger than the sum of its proper divisors (1901990384623).

20622057166097 is a wasteful number, since it uses less digits than its factorization.

20622057166097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144429640.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 20622057166097 in words is "twenty trillion, six hundred twenty-two billion, fifty-seven million, one hundred sixty-six thousand, ninety-seven".