220010453 has 12 divisors (see below), whose sum is σ = 240710148. Its totient is φ = 200977920.

The previous prime is 220010437. The next prime is 220010521. The reversal of 220010453 is 354010022.

It can be written as a sum of positive squares in 6 ways, for example, as 4566769 + 215443684 = 2137^2 + 14678^2 .

It is not a de Polignac number, because 220010453 - 2⁴ = 220010437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220010423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9683 + ... + 23103.

It is an arithmetic number, because the mean of its divisors is an integer number (20059179).

Almost surely, 2^220010453 is an apocalyptic number.

It is an amenable number.

220010453 is a deficient number, since it is larger than the sum of its proper divisors (20699695).

220010453 is a wasteful number, since it uses less digits than its factorization.

220010453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544 (or 13531 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 220010453 is about 14832.7493405639. The cubic root of 220010453 is about 603.6906345560.

Adding to 220010453 its reverse (354010022), we get a palindrome (574020475).

The spelling of 220010453 in words is "two hundred twenty million, ten thousand, four hundred fifty-three".