220320001230 has 64 divisors (see below), whose sum is σ = 604390809600. Its totient is φ = 50351814144.

The previous prime is 220320001229. The next prime is 220320001303. The reversal of 220320001230 is 32100023022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1513171 + ... + 1652369.

It is an arithmetic number, because the mean of its divisors is an integer number (9443606400).

Almost surely, 2^220320001230 is an apocalyptic number.

220320001230 is an abundant number, since it is smaller than the sum of its proper divisors (384070808370).

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

220320001230 is a wasteful number, since it uses less digits than its factorization.

220320001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146753.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 220320001230 its reverse (32100023022), we get a palindrome (252420024252).

The spelling of 220320001230 in words is "two hundred twenty billion, three hundred twenty million, one thousand, two hundred thirty".