220423332330 has 96 divisors (see below), whose sum is σ = 579752828928. Its totient is φ = 58100716800.

The previous prime is 220423332293. The next prime is 220423332379. The reversal of 220423332330 is 33233324022.

220423332330 is a `hidden beast` number, since 2 + 2 + 0 + 423 + 3 + 3 + 233 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 220423332294 and 220423332303.

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, 3061950 + ... + 3133110.

It is an arithmetic number, because the mean of its divisors is an integer number (6039091968).

Almost surely, 2^220423332330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220423332330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289876414464).

220423332330 is an abundant number, since it is smaller than the sum of its proper divisors (359329496598).

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

220423332330 is a wasteful number, since it uses less digits than its factorization.

220423332330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71572 (or 71569 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 27.

Adding to 220423332330 its reverse (33233324022), we get a palindrome (253656656352).

The spelling of 220423332330 in words is "two hundred twenty billion, four hundred twenty-three million, three hundred thirty-two thousand, three hundred thirty".