220434233552 has 20 divisors (see below), whose sum is σ = 459944506980. Its totient is φ = 101738876928.

The previous prime is 220434233531. The next prime is 220434233603. The reversal of 220434233552 is 255332434022.

It can be written as a sum of positive squares in 2 ways, for example, as 145896497296 + 74537736256 = 381964^2 + 273016^2 .

It is a super-4 number, since 4×220434233552⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529889777 + ... + 529890192.

It is an arithmetic number, because the mean of its divisors is an integer number (22997225349).

Almost surely, 2^220434233552 is an apocalyptic number.

It is an amenable number.

220434233552 is an abundant number, since it is smaller than the sum of its proper divisors (239510273428).

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

220434233552 is a wasteful number, since it uses less digits than its factorization.

220434233552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059779990 (or 1059779984 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 220434233552 its reverse (255332434022), we get a palindrome (475766667574).

The spelling of 220434233552 in words is "two hundred twenty billion, four hundred thirty-four million, two hundred thirty-three thousand, five hundred fifty-two".