224202420221320 has 16 divisors (see below), whose sum is σ = 504455445498060. Its totient is φ = 89680968088512.

The previous prime is 224202420221293. The next prime is 224202420221321. The reversal of 224202420221320 is 23122024202422.

It can be written as a sum of positive squares in 2 ways, for example, as 224139164953284 + 63255268036 = 14971278^2 + 251506^2 .

It is not an unprimeable number, because it can be changed into a prime (224202420221321) 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, 2802530252727 + ... + 2802530252806.

Almost surely, 2^{224202420221320} is an apocalyptic number.

224202420221320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224202420221320 is an abundant number, since it is smaller than the sum of its proper divisors (280253025276740).

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

224202420221320 is a wasteful number, since it uses less digits than its factorization.

224202420221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605060505544 (or 5605060505540 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 224202420221320 its reverse (23122024202422), we get a palindrome (247324444423742).

The spelling of 224202420221320 in words is "two hundred twenty-four trillion, two hundred two billion, four hundred twenty million, two hundred twenty-one thousand, three hundred twenty".