20039270 has 8 divisors (see below), whose sum is σ = 36070704. Its totient is φ = 8015704.

The previous prime is 20039269. The next prime is 20039273. The reversal of 20039270 is 7293002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20039273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001954 + ... + 1001973.

It is an arithmetic number, because the mean of its divisors is an integer number (4508838).

Almost surely, 2^20039270 is an apocalyptic number.

20039270 is a deficient number, since it is larger than the sum of its proper divisors (16031434).

20039270 is a wasteful number, since it uses less digits than its factorization.

20039270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003934.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 20039270 is about 4476.5243213904. The cubic root of 20039270 is about 271.6193041416.

The spelling of 20039270 in words is "twenty million, thirty-nine thousand, two hundred seventy".