20244799 has 2 divisors, whose sum is σ = 20244800. Its totient is φ = 20244798.

The previous prime is 20244797. The next prime is 20244839. The reversal of 20244799 is 99744202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20244799 - 2¹ = 20244797 is a prime.

Together with 20244797, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20244793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122399 + 10122400.

It is an arithmetic number, because the mean of its divisors is an integer number (10122400).

Almost surely, 2^20244799 is an apocalyptic number.

20244799 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244799 is an equidigital number, since it uses as much as digits as its factorization.

20244799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 20244799 is about 4499.4220740002. The cubic root of 20244799 is about 272.5447515089.

The spelling of 20244799 in words is "twenty million, two hundred forty-four thousand, seven hundred ninety-nine".