424220012320 has 48 divisors (see below), whose sum is σ = 1079313613560. Its totient is φ = 156635080704.

The previous prime is 424220012317. The next prime is 424220012339. The reversal of 424220012320 is 23210022424.

It can be written as a sum of positive squares in 4 ways, for example, as 137056924944 + 287163087376 = 370212^2 + 535876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424220012291 and 424220012300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101973885 + ... + 101978044.

Almost surely, 2^424220012320 is an apocalyptic number.

424220012320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424220012320 is an abundant number, since it is smaller than the sum of its proper divisors (655093601240).

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

424220012320 is a wasteful number, since it uses less digits than its factorization.

424220012320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203951957 (or 203951949 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 424220012320 its reverse (23210022424), we get a palindrome (447430034744).

The spelling of 424220012320 in words is "four hundred twenty-four billion, two hundred twenty million, twelve thousand, three hundred twenty".