220023332 has 6 divisors (see below), whose sum is σ = 385040838. Its totient is φ = 110011664.

The previous prime is 220023329. The next prime is 220023341. The reversal of 220023332 is 233320022.

It can be written as a sum of positive squares in only one way, i.e., 185613376 + 34409956 = 13624^2 + 5866^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220023332.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502913 + ... + 27502920.

It is an arithmetic number, because the mean of its divisors is an integer number (64173473).

Almost surely, 2^220023332 is an apocalyptic number.

It is an amenable number.

220023332 is a deficient number, since it is larger than the sum of its proper divisors (165017506).

220023332 is a wasteful number, since it uses less digits than its factorization.

220023332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55005837 (or 55005835 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 220023332 is about 14833.1834748984. The cubic root of 220023332 is about 603.7024139660.

Adding to 220023332 its reverse (233320022), we get a palindrome (453343354).

The spelling of 220023332 in words is "two hundred twenty million, twenty-three thousand, three hundred thirty-two".