20039369 has 8 divisors (see below), whose sum is σ = 22963008. Its totient is φ = 17130960.

The previous prime is 20039363. The next prime is 20039387. The reversal of 20039369 is 96393002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20039369 - 2²⁰ = 18990793 is a prime.

It is a super-2 number, since 2×20039369² = 803152619836322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20039363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827 + ... + 6384.

It is an arithmetic number, because the mean of its divisors is an integer number (2870376).

Almost surely, 2^20039369 is an apocalyptic number.

It is an amenable number.

20039369 is a deficient number, since it is larger than the sum of its proper divisors (2923639).

20039369 is an equidigital number, since it uses as much as digits as its factorization.

20039369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 20039369 is about 4476.5353790627. The cubic root of 20039369 is about 271.6197514344.

The spelling of 20039369 in words is "twenty million, thirty-nine thousand, three hundred sixty-nine".