20710670 has 16 divisors (see below), whose sum is σ = 37397808. Its totient is φ = 8257920.

The previous prime is 20710667. The next prime is 20710673. The reversal of 20710670 is 7601702.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20710667) and next prime (20710673).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20710673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182 + ... + 6438.

It is an arithmetic number, because the mean of its divisors is an integer number (2337363).

Almost surely, 2^20710670 is an apocalyptic number.

20710670 is a deficient number, since it is larger than the sum of its proper divisors (16687138).

20710670 is a wasteful number, since it uses less digits than its factorization.

20710670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595.

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

The square root of 20710670 is about 4550.8977136385. The cubic root of 20710670 is about 274.6195068460.

The spelling of 20710670 in words is "twenty million, seven hundred ten thousand, six hundred seventy".