220841340 has 48 divisors (see below), whose sum is σ = 626196480. Its totient is φ = 58144320.

The previous prime is 220841333. The next prime is 220841359. The reversal of 220841340 is 43148022.

220841340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220841340.

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, 18556 + ... + 28035.

It is an arithmetic number, because the mean of its divisors is an integer number (13045760).

Almost surely, 2^220841340 is an apocalyptic number.

220841340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220841340 is an abundant number, since it is smaller than the sum of its proper divisors (405355140).

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

220841340 is a wasteful number, since it uses less digits than its factorization.

220841340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46682 (or 46680 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 220841340 is about 14860.7314759402. The cubic root of 220841340 is about 604.4496417948.

Adding to 220841340 its reverse (43148022), we get a palindrome (263989362).

The spelling of 220841340 in words is "two hundred twenty million, eight hundred forty-one thousand, three hundred forty".