20444794 has 16 divisors (see below), whose sum is σ = 31697928. Its totient is φ = 9882432.

The previous prime is 20444791. The next prime is 20444819. The reversal of 20444794 is 49744402.

It can be written as a sum of positive squares in 4 ways, for example, as 20295025 + 149769 = 4505^2 + 387^2 .

It is not an unprimeable number, because it can be changed into a prime (20444791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12004 + ... + 13600.

Almost surely, 2^20444794 is an apocalyptic number.

20444794 is a deficient number, since it is larger than the sum of its proper divisors (11253134).

20444794 is a wasteful number, since it uses less digits than its factorization.

20444794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 20444794 is about 4521.5919762845. The cubic root of 20444794 is about 273.4392870349.

The spelling of 20444794 in words is "twenty million, four hundred forty-four thousand, seven hundred ninety-four".