220231300134 has 16 divisors (see below), whose sum is σ = 440916229440. Its totient is φ = 73334828520.

The previous prime is 220231300109. The next prime is 220231300139. The reversal of 220231300134 is 431003132022.

It is a self number, because there is not a number n which added to its sum of digits gives 220231300134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220231300139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18894904 + ... + 18906555.

It is an arithmetic number, because the mean of its divisors is an integer number (27557264340).

Almost surely, 2^220231300134 is an apocalyptic number.

220231300134 is an abundant number, since it is smaller than the sum of its proper divisors (220684929306).

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

220231300134 is a wasteful number, since it uses less digits than its factorization.

220231300134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37802435.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220231300134 its reverse (431003132022), we get a palindrome (651234432156).

The spelling of 220231300134 in words is "two hundred twenty billion, two hundred thirty-one million, three hundred thousand, one hundred thirty-four".