220039616 has 28 divisors (see below), whose sum is σ = 439552080. Its totient is φ = 109286400.

The previous prime is 220039613. The next prime is 220039639. The reversal of 220039616 is 616930022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220039613) 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, 1721 + ... + 21048.

Almost surely, 2^220039616 is an apocalyptic number.

It is an amenable number.

220039616 is a deficient number, since it is larger than the sum of its proper divisors (219512464).

220039616 is a wasteful number, since it uses less digits than its factorization.

220039616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22932 (or 22922 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 220039616 is about 14833.7323691645. The cubic root of 220039616 is about 603.7173070041.

Adding to 220039616 its reverse (616930022), we get a palindrome (836969638).

The spelling of 220039616 in words is "two hundred twenty million, thirty-nine thousand, six hundred sixteen".