220023554452 has 24 divisors (see below), whose sum is σ = 414675475200. Its totient is φ = 101545488096.

The previous prime is 220023554449. The next prime is 220023554453. The reversal of 220023554452 is 254455320022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220023554453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671249 + ... + 1798087.

It is an arithmetic number, because the mean of its divisors is an integer number (17278144800).

Almost surely, 2^220023554452 is an apocalyptic number.

It is an amenable number.

220023554452 is a deficient number, since it is larger than the sum of its proper divisors (194651920748).

220023554452 is a wasteful number, since it uses less digits than its factorization.

220023554452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160215 (or 160213 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 220023554452 its reverse (254455320022), we get a palindrome (474478874474).

The spelling of 220023554452 in words is "two hundred twenty billion, twenty-three million, five hundred fifty-four thousand, four hundred fifty-two".