223012202420 has 48 divisors (see below), whose sum is σ = 535889520768. Its totient is φ = 76367007360.

The previous prime is 223012202401. The next prime is 223012202447. The reversal of 223012202420 is 24202210322.

223012202420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 223012202392 and 223012202401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868547 + ... + 1095626.

It is an arithmetic number, because the mean of its divisors is an integer number (11164365016).

Almost surely, 2^223012202420 is an apocalyptic number.

223012202420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223012202420 is an abundant number, since it is smaller than the sum of its proper divisors (312877318348).

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

223012202420 is a wasteful number, since it uses less digits than its factorization.

223012202420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965000 (or 1964998 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 223012202420 its reverse (24202210322), we get a palindrome (247214412742).

The spelling of 223012202420 in words is "two hundred twenty-three billion, twelve million, two hundred two thousand, four hundred twenty".