20039210 has 32 divisors (see below), whose sum is σ = 37953792. Its totient is φ = 7603200.

The previous prime is 20039207. The next prime is 20039221. The reversal of 20039210 is 1293002.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34442 + ... + 35018.

It is an arithmetic number, because the mean of its divisors is an integer number (1186056).

Almost surely, 2^20039210 is an apocalyptic number.

20039210 is a deficient number, since it is larger than the sum of its proper divisors (17914582).

20039210 is a wasteful number, since it uses less digits than its factorization.

20039210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 20039210 is about 4476.5176197576. The cubic root of 20039210 is about 271.6190330543.

The spelling of 20039210 in words is "twenty million, thirty-nine thousand, two hundred ten".