224552501421020 has 24 divisors (see below), whose sum is σ = 478201946691168. Its totient is φ = 88555916052800.

The previous prime is 224552501421013. The next prime is 224552501421029. The reversal of 224552501421020 is 20124105255422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224552501421029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79067780771 + ... + 79067783610.

It is an arithmetic number, because the mean of its divisors is an integer number (19925081112132).

Almost surely, 2^{224552501421020} is an apocalyptic number.

224552501421020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224552501421020 is an abundant number, since it is smaller than the sum of its proper divisors (253649445270148).

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

224552501421020 is a wasteful number, since it uses less digits than its factorization.

224552501421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158135564461 (or 158135564459 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 224552501421020 its reverse (20124105255422), we get a palindrome (244676606676442).

The spelling of 224552501421020 in words is "two hundred twenty-four trillion, five hundred fifty-two billion, five hundred one million, four hundred twenty-one thousand, twenty".