20320890371169 has 16 divisors (see below), whose sum is σ = 28685406561600. Its totient is φ = 12760060147776.

The previous prime is 20320890371161. The next prime is 20320890371213. The reversal of 20320890371169 is 96117309802302.

It is not a de Polignac number, because 20320890371169 - 2³ = 20320890371161 is a prime.

It is a super-2 number, since 2×20320890371169² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20320890371161) 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, 1030356754 + ... + 1030376475.

It is an arithmetic number, because the mean of its divisors is an integer number (1792837910100).

Almost surely, 2^{20320890371169} is an apocalyptic number.

It is an amenable number.

20320890371169 is a deficient number, since it is larger than the sum of its proper divisors (8364516190431).

20320890371169 is a wasteful number, since it uses less digits than its factorization.

20320890371169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060733424.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 20320890371169 in words is "twenty trillion, three hundred twenty billion, eight hundred ninety million, three hundred seventy-one thousand, one hundred sixty-nine".