220424153 has 4 divisors (see below), whose sum is σ = 221642148. Its totient is φ = 219206160.

The previous prime is 220424147. The next prime is 220424201. The reversal of 220424153 is 351424022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 351424022 = 2 ⋅175712011.

It can be written as a sum of positive squares in 2 ways, for example, as 78623689 + 141800464 = 8867^2 + 11908^2 .

It is a cyclic number.

It is not a de Polignac number, because 220424153 - 2⁶ = 220424089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220424653) 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, 608726 + ... + 609087.

It is an arithmetic number, because the mean of its divisors is an integer number (55410537).

Almost surely, 2^220424153 is an apocalyptic number.

It is an amenable number.

220424153 is a deficient number, since it is larger than the sum of its proper divisors (1217995).

220424153 is a wasteful number, since it uses less digits than its factorization.

220424153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217994.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 220424153 is about 14846.6882839238. The cubic root of 220424153 is about 604.0687839228.

Adding to 220424153 its reverse (351424022), we get a palindrome (571848175).

The spelling of 220424153 in words is "two hundred twenty million, four hundred twenty-four thousand, one hundred fifty-three".