20044499 has 2 divisors, whose sum is σ = 20044500. Its totient is φ = 20044498.

The previous prime is 20044463. The next prime is 20044501. The reversal of 20044499 is 99444002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20044499 - 2⁸ = 20044243 is a prime.

It is a super-2 number, since 2×20044499² = 803563880322002, which contains 22 as substring.

Together with 20044501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20044459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10022249 + 10022250.

It is an arithmetic number, because the mean of its divisors is an integer number (10022250).

Almost surely, 2^20044499 is an apocalyptic number.

20044499 is a deficient number, since it is larger than the sum of its proper divisors (1).

20044499 is an equidigital number, since it uses as much as digits as its factorization.

20044499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20044499 is about 4477.1083301613. The cubic root of 20044499 is about 271.6429273212.

The spelling of 20044499 in words is "twenty million, forty-four thousand, four hundred ninety-nine".