220064453 has 4 divisors (see below), whose sum is σ = 251502240. Its totient is φ = 188626668.

The previous prime is 220064447. The next prime is 220064459. The reversal of 220064453 is 354460022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (220064447) and next prime (220064459).

It is a cyclic number.

It is not a de Polignac number, because 220064453 - 2¹⁶ = 219998917 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 (220064459) 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, 15718883 + ... + 15718896.

It is an arithmetic number, because the mean of its divisors is an integer number (62875560).

Almost surely, 2^220064453 is an apocalyptic number.

It is an amenable number.

220064453 is a deficient number, since it is larger than the sum of its proper divisors (31437787).

220064453 is an equidigital number, since it uses as much as digits as its factorization.

220064453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31437786.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 220064453 is about 14834.5695252677. The cubic root of 220064453 is about 603.7400210391.

The spelling of 220064453 in words is "two hundred twenty million, sixty-four thousand, four hundred fifty-three".