226378020 has 96 divisors (see below), whose sum is σ = 694987776. Its totient is φ = 54601600.

The previous prime is 226378013. The next prime is 226378021. The reversal of 226378020 is 20873622.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (226378021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149065 + ... + 150575.

It is an arithmetic number, because the mean of its divisors is an integer number (7239456).

Almost surely, 2^226378020 is an apocalyptic number.

226378020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226378020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347493888).

226378020 is an abundant number, since it is smaller than the sum of its proper divisors (468609756).

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

226378020 is a wasteful number, since it uses less digits than its factorization.

226378020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1759 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 226378020 is about 15045.8638834731. The cubic root of 226378020 is about 609.4593615223.

The spelling of 226378020 in words is "two hundred twenty-six million, three hundred seventy-eight thousand, twenty".