220232430 has 96 divisors (see below), whose sum is σ = 629272800. Its totient is φ = 52995840.

The previous prime is 220232381. The next prime is 220232461. The reversal of 220232430 is 34232022.

220232430 is a `hidden beast` number, since 2 + 2 + 0 + 232 + 430 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146764 + ... + 148256.

It is an arithmetic number, because the mean of its divisors is an integer number (6554925).

Almost surely, 2^220232430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220232430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314636400).

220232430 is an abundant number, since it is smaller than the sum of its proper divisors (409040370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220232430 is a wasteful number, since it uses less digits than its factorization.

220232430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666 (or 1663 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220232430 is about 14840.2301195096. The cubic root of 220232430 is about 603.8935952058.

Adding to 220232430 its reverse (34232022), we get a palindrome (254464452).

The spelling of 220232430 in words is "two hundred twenty million, two hundred thirty-two thousand, four hundred thirty".