20220039 has 12 divisors (see below), whose sum is σ = 33379216. Its totient is φ = 11554272.

The previous prime is 20220023. The next prime is 20220041. The reversal of 20220039 is 93002202.

It is not a de Polignac number, because 20220039 - 2⁴ = 20220023 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 (20220049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160414 + ... + 160539.

Almost surely, 2^20220039 is an apocalyptic number.

20220039 is a deficient number, since it is larger than the sum of its proper divisors (13159177).

20220039 is a wasteful number, since it uses less digits than its factorization.

20220039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320966 (or 320963 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 20220039 is about 4496.6697677281. The cubic root of 20220039 is about 272.4335960297.

The spelling of 20220039 in words is "twenty million, two hundred twenty thousand, thirty-nine".