20344022 has 16 divisors (see below), whose sum is σ = 33231600. Its totient is φ = 9303840.

The previous prime is 20344007. The next prime is 20344033. The reversal of 20344022 is 22044302.

It is a super-2 number, since 2×20344022² = 827758462272968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8129 + ... + 10332.

It is an arithmetic number, because the mean of its divisors is an integer number (2076975).

Almost surely, 2^20344022 is an apocalyptic number.

20344022 is a deficient number, since it is larger than the sum of its proper divisors (12887578).

20344022 is a wasteful number, since it uses less digits than its factorization.

20344022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18511.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 20344022 is about 4510.4347905717. The cubic root of 20344022 is about 272.9892878657.

Adding to 20344022 its reverse (22044302), we get a palindrome (42388324).

The spelling of 20344022 in words is "twenty million, three hundred forty-four thousand, twenty-two".