223801420 has 12 divisors (see below), whose sum is σ = 469983024. Its totient is φ = 89520560.

The previous prime is 223801397. The next prime is 223801423. The reversal of 223801420 is 24108322.

223801420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 223801391 and 223801400.

It is not an unprimeable number, because it can be changed into a prime (223801423) 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, 5595016 + ... + 5595055.

It is an arithmetic number, because the mean of its divisors is an integer number (39165252).

Almost surely, 2^223801420 is an apocalyptic number.

223801420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223801420 is an abundant number, since it is smaller than the sum of its proper divisors (246181604).

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

223801420 is a wasteful number, since it uses less digits than its factorization.

223801420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190080 (or 11190078 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 223801420 is about 14959.9939839560. The cubic root of 223801420 is about 607.1382752925.

Adding to 223801420 its reverse (24108322), we get a palindrome (247909742).

The spelling of 223801420 in words is "two hundred twenty-three million, eight hundred one thousand, four hundred twenty".