20622103161 has 16 divisors (see below), whose sum is σ = 30010798848. Its totient is φ = 12491989200.

The previous prime is 20622103157. The next prime is 20622103241. The reversal of 20622103161 is 16130122602.

It is not a de Polignac number, because 20622103161 - 2² = 20622103157 is a prime.

It is a super-2 number, since 2×20622103161² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20622107161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89011 + ... + 221736.

It is an arithmetic number, because the mean of its divisors is an integer number (1875674928).

Almost surely, 2^20622103161 is an apocalyptic number.

It is an amenable number.

20622103161 is a deficient number, since it is larger than the sum of its proper divisors (9388695687).

20622103161 is a wasteful number, since it uses less digits than its factorization.

20622103161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312772.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 20622103161 its reverse (16130122602), we get a palindrome (36752225763).

The spelling of 20622103161 in words is "twenty billion, six hundred twenty-two million, one hundred three thousand, one hundred sixty-one".