220706630 has 8 divisors (see below), whose sum is σ = 397271952. Its totient is φ = 88282648.

The previous prime is 220706627. The next prime is 220706663. The reversal of 220706630 is 36607022.

220706630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×220706630² = 97422833051913800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220706630.

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, 11035322 + ... + 11035341.

It is an arithmetic number, because the mean of its divisors is an integer number (49658994).

Almost surely, 2^220706630 is an apocalyptic number.

220706630 is a deficient number, since it is larger than the sum of its proper divisors (176565322).

220706630 is a wasteful number, since it uses less digits than its factorization.

220706630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22070670.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 220706630 is about 14856.1983697041. The cubic root of 220706630 is about 604.3267149718.

The spelling of 220706630 in words is "two hundred twenty million, seven hundred six thousand, six hundred thirty".