421113320 has 16 divisors (see below), whose sum is σ = 947505060. Its totient is φ = 168445312.

The previous prime is 421113299. The next prime is 421113323. The reversal of 421113320 is 23311124.

It can be written as a sum of positive squares in 2 ways, for example, as 386279716 + 34833604 = 19654^2 + 5902^2 .

It is not an unprimeable number, because it can be changed into a prime (421113323) 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, 5263877 + ... + 5263956.

Almost surely, 2^421113320 is an apocalyptic number.

421113320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421113320 is an abundant number, since it is smaller than the sum of its proper divisors (526391740).

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

421113320 is a wasteful number, since it uses less digits than its factorization.

421113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10527844 (or 10527840 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 421113320 is about 20521.0457823182. The cubic root of 421113320 is about 749.5483621597.

Adding to 421113320 its reverse (23311124), we get a palindrome (444424444).

The spelling of 421113320 in words is "four hundred twenty-one million, one hundred thirteen thousand, three hundred twenty".