20022364 has 12 divisors (see below), whose sum is σ = 35091504. Its totient is φ = 9996224.

The previous prime is 20022323. The next prime is 20022407. The reversal of 20022364 is 46322002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397 + ... + 6340.

It is an arithmetic number, because the mean of its divisors is an integer number (2924292).

Almost surely, 2^20022364 is an apocalyptic number.

It is an amenable number.

20022364 is a deficient number, since it is larger than the sum of its proper divisors (15069140).

20022364 is a wasteful number, since it uses less digits than its factorization.

20022364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7484 (or 7482 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20022364 is about 4474.6356276238. The cubic root of 20022364 is about 271.5428993641.

Adding to 20022364 its reverse (46322002), we get a palindrome (66344366).

The spelling of 20022364 in words is "twenty million, twenty-two thousand, three hundred sixty-four".