20220116 has 12 divisors (see below), whose sum is σ = 40440288. Its totient is φ = 8665752.

The previous prime is 20220103. The next prime is 20220119. The reversal of 20220116 is 61102202.

20220116 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 20220116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361046 + ... + 361101.

It is an arithmetic number, because the mean of its divisors is an integer number (3370024).

Almost surely, 2^20220116 is an apocalyptic number.

It is an amenable number.

20220116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220116 is a wasteful number, since it uses less digits than its factorization.

20220116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722158 (or 722156 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20220116 is about 4496.6783296118. The cubic root of 20220116 is about 272.4339418477.

Adding to 20220116 its reverse (61102202), we get a palindrome (81322318).

The spelling of 20220116 in words is "twenty million, two hundred twenty thousand, one hundred sixteen".