220423004454 has 8 divisors (see below), whose sum is σ = 440846008920. Its totient is φ = 73474334816.

The previous prime is 220423004387. The next prime is 220423004471. The reversal of 220423004454 is 454400324022.

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

220423004454 is an admirable number.

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, 18368583699 + ... + 18368583710.

It is an arithmetic number, because the mean of its divisors is an integer number (55105751115).

Almost surely, 2^220423004454 is an apocalyptic number.

220423004454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220423004454 is a wasteful number, since it uses less digits than its factorization.

220423004454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36737167414.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 220423004454 its reverse (454400324022), we get a palindrome (674823328476).

The spelling of 220423004454 in words is "two hundred twenty billion, four hundred twenty-three million, four thousand, four hundred fifty-four".