220053989 has 4 divisors (see below), whose sum is σ = 220100940. Its totient is φ = 220007040.

The previous prime is 220053979. The next prime is 220054007. The reversal of 220053989 is 989350022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30991489 + 189062500 = 5567^2 + 13750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220053989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220053979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15554 + ... + 26115.

It is an arithmetic number, because the mean of its divisors is an integer number (55025235).

Almost surely, 2^220053989 is an apocalyptic number.

It is an amenable number.

220053989 is a deficient number, since it is larger than the sum of its proper divisors (46951).

220053989 is an equidigital number, since it uses as much as digits as its factorization.

220053989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46950.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 220053989 is about 14834.2168313666. The cubic root of 220053989 is about 603.7304516673.

The spelling of 220053989 in words is "two hundred twenty million, fifty-three thousand, nine hundred eighty-nine".