20022304 has 12 divisors (see below), whose sum is σ = 39418974. Its totient is φ = 10011136.

The previous prime is 20022283. The next prime is 20022323. The reversal of 20022304 is 40322002.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 9909904 = 3180^2 + 3148^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 312817 + ... + 312880.

Almost surely, 2^20022304 is an apocalyptic number.

It is an amenable number.

20022304 is a deficient number, since it is larger than the sum of its proper divisors (19396670).

20022304 is an equidigital number, since it uses as much as digits as its factorization.

20022304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625707 (or 625699 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20022304 is about 4474.6289231622. The cubic root of 20022304 is about 271.5426281242.

Adding to 20022304 its reverse (40322002), we get a palindrome (60344306).

The spelling of 20022304 in words is "twenty million, twenty-two thousand, three hundred four".