20244599 has 2 divisors, whose sum is σ = 20244600. Its totient is φ = 20244598.

The previous prime is 20244593. The next prime is 20244607. The reversal of 20244599 is 99544202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20244599 - 2⁴ = 20244583 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20244593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10122299 + 10122300.

It is an arithmetic number, because the mean of its divisors is an integer number (10122300).

Almost surely, 2^20244599 is an apocalyptic number.

20244599 is a deficient number, since it is larger than the sum of its proper divisors (1).

20244599 is an equidigital number, since it uses as much as digits as its factorization.

20244599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 20244599 is about 4499.3998488687. The cubic root of 20244599 is about 272.5438540088.

The spelling of 20244599 in words is "twenty million, two hundred forty-four thousand, five hundred ninety-nine".