20022116 has 12 divisors (see below), whose sum is σ = 35291760. Its totient is φ = 9938760.

The previous prime is 20022113. The next prime is 20022127. The reversal of 20022116 is 61122002.

It is a self number, because there is not a number n which added to its sum of digits gives 20022116.

It is not an unprimeable number, because it can be changed into a prime (20022113) 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, 17450 + ... + 18561.

It is an arithmetic number, because the mean of its divisors is an integer number (2940980).

Almost surely, 2^20022116 is an apocalyptic number.

It is an amenable number.

20022116 is a deficient number, since it is larger than the sum of its proper divisors (15269644).

20022116 is a wasteful number, since it uses less digits than its factorization.

20022116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36154 (or 36152 counting only the distinct ones).

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

The square root of 20022116 is about 4474.6079157844. The cubic root of 20022116 is about 271.5417782358.

Adding to 20022116 its reverse (61122002), we get a palindrome (81144118).

The spelling of 20022116 in words is "twenty million, twenty-two thousand, one hundred sixteen".