22020657161 has 8 divisors (see below), whose sum is σ = 22070628480. Its totient is φ = 21970716912.

The previous prime is 22020657091. The next prime is 22020657163. The reversal of 22020657161 is 16175602022.

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 22020657161 - 2¹⁴ = 22020640777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22020657163) 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, 1946720 + ... + 1957998.

It is an arithmetic number, because the mean of its divisors is an integer number (2758828560).

Almost surely, 2^22020657161 is an apocalyptic number.

It is an amenable number.

22020657161 is a deficient number, since it is larger than the sum of its proper divisors (49971319).

22020657161 is a wasteful number, since it uses less digits than its factorization.

22020657161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15535.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 22020657161 in words is "twenty-two billion, twenty million, six hundred fifty-seven thousand, one hundred sixty-one".