220255503530 has 48 divisors (see below), whose sum is σ = 421813483416. Its totient is φ = 82789662720.

The previous prime is 220255503487. The next prime is 220255503553. The reversal of 220255503530 is 35305552022.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 52457947369 + 167797556161 = 229037^2 + 409631^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1793042 + ... + 1911938.

Almost surely, 2^220255503530 is an apocalyptic number.

220255503530 is a deficient number, since it is larger than the sum of its proper divisors (201557979886).

220255503530 is a wasteful number, since it uses less digits than its factorization.

220255503530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119579 (or 119562 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 220255503530 in words is "two hundred twenty billion, two hundred fifty-five million, five hundred three thousand, five hundred thirty".