20039410 has 16 divisors (see below), whose sum is σ = 36429912. Its totient is φ = 7936000.

The previous prime is 20039407. The next prime is 20039443. The reversal of 20039410 is 1493002.

It can be written as a sum of positive squares in 4 ways, for example, as 15124321 + 4915089 = 3889^2 + 2217^2 .

It is an unprimeable number.

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, 8911 + ... + 10930.

Almost surely, 2^20039410 is an apocalyptic number.

20039410 is a deficient number, since it is larger than the sum of its proper divisors (16390502).

20039410 is a wasteful number, since it uses less digits than its factorization.

20039410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19949.

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

The square root of 20039410 is about 4476.5399584947. The cubic root of 20039410 is about 271.6199366765.

It can be divided in two parts, 20039 and 410, that added together give a square (20449 = 143²).

The spelling of 20039410 in words is "twenty million, thirty-nine thousand, four hundred ten".