20022016 has 36 divisors (see below), whose sum is σ = 45679312. Its totient is φ = 8580096.

The previous prime is 20022011. The next prime is 20022017. The reversal of 20022016 is 61022002.

It is a happy number.

It is a super-2 number, since 2×20022016² = 801762249408512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20021987 and 20022005.

It is not an unprimeable number, because it can be changed into a prime (20022011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3795 + ... + 7378.

Almost surely, 2^20022016 is an apocalyptic number.

It is an amenable number.

20022016 is an abundant number, since it is smaller than the sum of its proper divisors (25657296).

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

20022016 is an equidigital number, since it uses as much as digits as its factorization.

20022016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11196 (or 11182 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20022016 is about 4474.5967416070. The cubic root of 20022016 is about 271.5413261653.

Adding to 20022016 its reverse (61022002), we get a palindrome (81044018).

The spelling of 20022016 in words is "twenty million, twenty-two thousand, sixteen".