220023542 has 8 divisors (see below), whose sum is σ = 330898176. Its totient is φ = 109724152.

The previous prime is 220023527. The next prime is 220023569. The reversal of 220023542 is 245320022.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142853 + ... + 144384.

It is an arithmetic number, because the mean of its divisors is an integer number (41362272).

Almost surely, 2^220023542 is an apocalyptic number.

220023542 is a deficient number, since it is larger than the sum of its proper divisors (110874634).

220023542 is a wasteful number, since it uses less digits than its factorization.

220023542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287622.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 220023542 is about 14833.1905536199. The cubic root of 220023542 is about 603.7026060327.

Adding to 220023542 its reverse (245320022), we get a palindrome (465343564).

The spelling of 220023542 in words is "two hundred twenty million, twenty-three thousand, five hundred forty-two".