220700453 has 8 divisors (see below), whose sum is σ = 223303296. Its totient is φ = 218106000.

The previous prime is 220700437. The next prime is 220700471. The reversal of 220700453 is 354007022.

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 220700453 - 2⁴ = 220700437 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 (220700423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62000 + ... + 65462.

It is an arithmetic number, because the mean of its divisors is an integer number (27912912).

Almost surely, 2^220700453 is an apocalyptic number.

It is an amenable number.

220700453 is a deficient number, since it is larger than the sum of its proper divisors (2602843).

220700453 is a wasteful number, since it uses less digits than its factorization.

220700453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 220700453 is about 14855.9904752258. The cubic root of 220700453 is about 604.3210770790.

Adding to 220700453 its reverse (354007022), we get a palindrome (574707475).

The spelling of 220700453 in words is "two hundred twenty million, seven hundred thousand, four hundred fifty-three".