226404420020 has 48 divisors (see below), whose sum is σ = 506750888448. Its totient is φ = 84670118400.

The previous prime is 226404420019. The next prime is 226404420041. The reversal of 226404420020 is 20024404622.

It is a happy number.

It is a super-2 number, since 2×226404420020² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2153612 + ... + 2256291.

It is an arithmetic number, because the mean of its divisors is an integer number (10557310176).

Almost surely, 2^226404420020 is an apocalyptic number.

226404420020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226404420020 is an abundant number, since it is smaller than the sum of its proper divisors (280346468428).

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

226404420020 is a wasteful number, since it uses less digits than its factorization.

226404420020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410080 (or 4410078 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 226404420020 its reverse (20024404622), we get a palindrome (246428824642).

The spelling of 226404420020 in words is "two hundred twenty-six billion, four hundred four million, four hundred twenty thousand, twenty".