20039346 has 16 divisors (see below), whose sum is σ = 44532000. Its totient is φ = 6679764.

The previous prime is 20039339. The next prime is 20039351. The reversal of 20039346 is 64393002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185496 + ... + 185603.

It is an arithmetic number, because the mean of its divisors is an integer number (2783250).

Almost surely, 2^20039346 is an apocalyptic number.

20039346 is an abundant number, since it is smaller than the sum of its proper divisors (24492654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20039346 is a wasteful number, since it uses less digits than its factorization.

20039346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371110 (or 371104 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 20039346 is about 4476.5328101110. The cubic root of 20039346 is about 271.6196475181.

The spelling of 20039346 in words is "twenty million, thirty-nine thousand, three hundred forty-six".