20032039 has 4 divisors (see below), whose sum is σ = 20410056. Its totient is φ = 19654024.

The previous prime is 20032021. The next prime is 20032043. The reversal of 20032039 is 93023002.

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

It is a cyclic number.

It is not a de Polignac number, because 20032039 - 2⁹ = 20031527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20032079) 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, 188929 + ... + 189034.

It is an arithmetic number, because the mean of its divisors is an integer number (5102514).

Almost surely, 2^20032039 is an apocalyptic number.

20032039 is a deficient number, since it is larger than the sum of its proper divisors (378017).

20032039 is an equidigital number, since it uses as much as digits as its factorization.

20032039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378016.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 20032039 is about 4475.7165906701. The cubic root of 20032039 is about 271.5866297066.

The spelling of 20032039 in words is "twenty million, thirty-two thousand, thirty-nine".