30220039 has 8 divisors (see below), whose sum is σ = 30667680. Its totient is φ = 29774976.

The previous prime is 30220007. The next prime is 30220049. The reversal of 30220039 is 93002203.

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 30220039 - 2⁵ = 30220007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30219998 and 30220025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220049) 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, 40302 + ... + 41044.

It is an arithmetic number, because the mean of its divisors is an integer number (3833460).

Almost surely, 2^30220039 is an apocalyptic number.

30220039 is a deficient number, since it is larger than the sum of its proper divisors (447641).

30220039 is an equidigital number, since it uses as much as digits as its factorization.

30220039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289.

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

The square root of 30220039 is about 5497.2755979667. The cubic root of 30220039 is about 311.4810811716.

The spelling of 30220039 in words is "thirty million, two hundred twenty thousand, thirty-nine".