220231033330 has 128 divisors (see below), whose sum is σ = 507955691520. Its totient is φ = 66740163840.

The previous prime is 220231033279. The next prime is 220231033331. The reversal of 220231033330 is 33330132022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (220231033331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77462889 + ... + 77465731.

It is an arithmetic number, because the mean of its divisors is an integer number (3968403840).

Almost surely, 2^220231033330 is an apocalyptic number.

220231033330 is an abundant number, since it is smaller than the sum of its proper divisors (287724658190).

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

220231033330 is a wasteful number, since it uses less digits than its factorization.

220231033330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 220231033330 its reverse (33330132022), we get a palindrome (253561165352).

The spelling of 220231033330 in words is "two hundred twenty billion, two hundred thirty-one million, thirty-three thousand, three hundred thirty".