20296899 has 20 divisors (see below), whose sum is σ = 34652464. Its totient is φ = 11597904.

The previous prime is 20296891. The next prime is 20296949. The reversal of 20296899 is 99869202.

It is not a de Polignac number, because 20296899 - 2³ = 20296891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20296891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17332 + ... + 18465.

Almost surely, 2^20296899 is an apocalyptic number.

20296899 is a deficient number, since it is larger than the sum of its proper divisors (14355565).

20296899 is an equidigital number, since it uses as much as digits as its factorization.

20296899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35816 (or 35807 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 20296899 is about 4505.2079863198. The cubic root of 20296899 is about 272.7783492519.

The spelling of 20296899 in words is "twenty million, two hundred ninety-six thousand, eight hundred ninety-nine".