20229670 has 16 divisors (see below), whose sum is σ = 37588608. Its totient is φ = 7830720.

The previous prime is 20229667. The next prime is 20229709. The reversal of 20229670 is 7692202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32319 + ... + 32938.

It is an arithmetic number, because the mean of its divisors is an integer number (2349288).

Almost surely, 2^20229670 is an apocalyptic number.

20229670 is a deficient number, since it is larger than the sum of its proper divisors (17358938).

20229670 is a wasteful number, since it uses less digits than its factorization.

20229670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65295.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20229670 is about 4497.7405438731. The cubic root of 20229670 is about 272.4768434156.

The spelling of 20229670 in words is "twenty million, two hundred twenty-nine thousand, six hundred seventy".