220023552 has 72 divisors (see below), whose sum is σ = 669254656. Its totient is φ = 62862336.

The previous prime is 220023527. The next prime is 220023569. The reversal of 220023552 is 255320022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15088 + ... + 25839.

Almost surely, 2^220023552 is an apocalyptic number.

It is an amenable number.

220023552 is an abundant number, since it is smaller than the sum of its proper divisors (449231104).

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

220023552 is an equidigital number, since it uses as much as digits as its factorization.

220023552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40953 (or 40939 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 220023552 is about 14833.1908907018. The cubic root of 220023552 is about 603.7026151787.

Adding to 220023552 its reverse (255320022), we get a palindrome (475343574).

It can be divided in two parts, 2200 and 23552, that added together give a palindrome (25752).

The spelling of 220023552 in words is "two hundred twenty million, twenty-three thousand, five hundred fifty-two".