20020012039 has 8 divisors (see below), whose sum is σ = 21215783088. Its totient is φ = 18826254720.

The previous prime is 20020012013. The next prime is 20020012043. The reversal of 20020012039 is 93021002002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20020012039 - 2¹⁵ = 20019979271 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 (20020012339) 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 7 ways as a sum of consecutive naturals, for example, 482932 + ... + 522745.

It is an arithmetic number, because the mean of its divisors is an integer number (2651972886).

Almost surely, 2^20020012039 is an apocalyptic number.

20020012039 is a deficient number, since it is larger than the sum of its proper divisors (1195771049).

20020012039 is a wasteful number, since it uses less digits than its factorization.

20020012039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006865.

The product of its (nonzero) digits is 216, while the sum is 19.

The spelling of 20020012039 in words is "twenty billion, twenty million, twelve thousand, thirty-nine".