20386299 has 4 divisors (see below), whose sum is σ = 27181736. Its totient is φ = 13590864.

The previous prime is 20386283. The next prime is 20386319. The reversal of 20386299 is 99268302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20386299 - 2⁴ = 20386283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20386229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3397714 + ... + 3397719.

It is an arithmetic number, because the mean of its divisors is an integer number (6795434).

Almost surely, 2^20386299 is an apocalyptic number.

20386299 is a deficient number, since it is larger than the sum of its proper divisors (6795437).

20386299 is an equidigital number, since it uses as much as digits as its factorization.

20386299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795436.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 20386299 is about 4515.1189353106. The cubic root of 20386299 is about 273.1782570996.

The spelling of 20386299 in words is "twenty million, three hundred eighty-six thousand, two hundred ninety-nine".