220252045 has 8 divisors (see below), whose sum is σ = 284633496. Its totient is φ = 162647616.

The previous prime is 220251973. The next prime is 220252061. The reversal of 220252045 is 540252022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42536484 + 177715561 = 6522^2 + 13331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220252045 - 2⁹ = 220251533 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1694182 + ... + 1694311.

It is an arithmetic number, because the mean of its divisors is an integer number (35579187).

Almost surely, 2^220252045 is an apocalyptic number.

It is an amenable number.

220252045 is a deficient number, since it is larger than the sum of its proper divisors (64381451).

220252045 is a wasteful number, since it uses less digits than its factorization.

220252045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388511.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 220252045 is about 14840.8909772965. The cubic root of 220252045 is about 603.9115232666.

The spelling of 220252045 in words is "two hundred twenty million, two hundred fifty-two thousand, forty-five".