20022966 has 24 divisors (see below), whose sum is σ = 43649424. Its totient is φ = 6633360.

The previous prime is 20022943. The next prime is 20022971. The reversal of 20022966 is 66922002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 325 + ... + 6336.

It is an arithmetic number, because the mean of its divisors is an integer number (1818726).

Almost surely, 2^20022966 is an apocalyptic number.

20022966 is an abundant number, since it is smaller than the sum of its proper divisors (23626458).

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

20022966 is a wasteful number, since it uses less digits than its factorization.

20022966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6836 (or 6833 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20022966 is about 4474.7028951652. The cubic root of 20022966 is about 271.5456207741.

Adding to 20022966 its reverse (66922002), we get a palindrome (86944968).

The spelling of 20022966 in words is "twenty million, twenty-two thousand, nine hundred sixty-six".