20670710 has 8 divisors (see below), whose sum is σ = 37207296. Its totient is φ = 8268280.

The previous prime is 20670701. The next prime is 20670719. The reversal of 20670710 is 1707602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20670701) and next prime (20670719).

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 (20670719) 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, 1033526 + ... + 1033545.

It is an arithmetic number, because the mean of its divisors is an integer number (4650912).

Almost surely, 2^20670710 is an apocalyptic number.

20670710 is a deficient number, since it is larger than the sum of its proper divisors (16536586).

20670710 is a wasteful number, since it uses less digits than its factorization.

20670710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067078.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 20670710 is about 4546.5052512892. The cubic root of 20670710 is about 274.4427724891.

The spelling of 20670710 in words is "twenty million, six hundred seventy thousand, seven hundred ten".