220310001234 has 12 divisors (see below), whose sum is σ = 477338336046. Its totient is φ = 73436667072.

The previous prime is 220310001217. The next prime is 220310001239. The reversal of 220310001234 is 432100013022.

It can be written as a sum of positive squares in only one way, i.e., 215486282025 + 4823719209 = 464205^2 + 69453^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 12239444513 = 220310001234 / (2 + 2 + 0 + 3 + 1 + 0 + 0 + 0 + 1 + 2 + 3 + 4).

It is not an unprimeable number, because it can be changed into a prime (220310001239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6119722239 + ... + 6119722274.

Almost surely, 2^220310001234 is an apocalyptic number.

220310001234 is an abundant number, since it is smaller than the sum of its proper divisors (257028334812).

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

220310001234 is a wasteful number, since it uses less digits than its factorization.

220310001234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12239444521 (or 12239444518 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220310001234 its reverse (432100013022), we get a palindrome (652410014256).

The spelling of 220310001234 in words is "two hundred twenty billion, three hundred ten million, one thousand, two hundred thirty-four".