20708230 has 8 divisors (see below), whose sum is σ = 37274832. Its totient is φ = 8283288.

The previous prime is 20708221. The next prime is 20708249. The reversal of 20708230 is 3280702.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035402 + ... + 1035421.

It is an arithmetic number, because the mean of its divisors is an integer number (4659354).

Almost surely, 2^20708230 is an apocalyptic number.

20708230 is a deficient number, since it is larger than the sum of its proper divisors (16566602).

20708230 is a wasteful number, since it uses less digits than its factorization.

20708230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070830.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 20708230 is about 4550.6296267659. The cubic root of 20708230 is about 274.6087217786.

Adding to 20708230 its reverse (3280702), we get a palindrome (23988932).

The spelling of 20708230 in words is "twenty million, seven hundred eight thousand, two hundred thirty".