420224210244 has 18 divisors (see below), whose sum is σ = 1062233420430. Its totient is φ = 140074736736.

The previous prime is 420224210207. The next prime is 420224210309. The reversal of 420224210244 is 442012422024.

420224210244 is a `hidden beast` number, since 4 + 202 + 2 + 4 + 210 + 244 = 666.

It can be written as a sum of positive squares in only one way, i.e., 382777316100 + 37446894144 = 618690^2 + 193512^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5836447329 + ... + 5836447400.

Almost surely, 2^420224210244 is an apocalyptic number.

It is an amenable number.

420224210244 is an abundant number, since it is smaller than the sum of its proper divisors (642009210186).

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

420224210244 is a wasteful number, since it uses less digits than its factorization.

420224210244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11672894739 (or 11672894734 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 420224210244 its reverse (442012422024), we get a palindrome (862236632268).

The spelling of 420224210244 in words is "four hundred twenty billion, two hundred twenty-four million, two hundred ten thousand, two hundred forty-four".