220687030 has 32 divisors (see below), whose sum is σ = 426389184. Its totient is φ = 81939456.

The previous prime is 220686913. The next prime is 220687037. The reversal of 220687030 is 30786022.

It is a self number, because there is not a number n which added to its sum of digits gives 220687030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220687037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3519 + ... + 21301.

It is an arithmetic number, because the mean of its divisors is an integer number (13324662).

Almost surely, 2^220687030 is an apocalyptic number.

220687030 is a deficient number, since it is larger than the sum of its proper divisors (205702154).

220687030 is a wasteful number, since it uses less digits than its factorization.

220687030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17880.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 220687030 is about 14855.5386977383. The cubic root of 220687030 is about 604.3088252294.

The spelling of 220687030 in words is "two hundred twenty million, six hundred eighty-seven thousand, thirty".