220089639 has 32 divisors (see below), whose sum is σ = 369262080. Its totient is φ = 113270400.

The previous prime is 220089637. The next prime is 220089643. The reversal of 220089639 is 936980022.

It is not a de Polignac number, because 220089639 - 2¹ = 220089637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220089597 and 220089606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220089631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20809 + ... + 29549.

It is an arithmetic number, because the mean of its divisors is an integer number (11539440).

Almost surely, 2^220089639 is an apocalyptic number.

220089639 is a deficient number, since it is larger than the sum of its proper divisors (149172441).

220089639 is a wasteful number, since it uses less digits than its factorization.

220089639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 220089639 is about 14835.4183965266. The cubic root of 220089639 is about 603.7630524978.

The spelling of 220089639 in words is "two hundred twenty million, eighty-nine thousand, six hundred thirty-nine".