220735420 has 12 divisors (see below), whose sum is σ = 463544424. Its totient is φ = 88294160.

The previous prime is 220735409. The next prime is 220735447. The reversal of 220735420 is 24537022.

220735420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5518366 + ... + 5518405.

It is an arithmetic number, because the mean of its divisors is an integer number (38628702).

Almost surely, 2^220735420 is an apocalyptic number.

220735420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220735420 is an abundant number, since it is smaller than the sum of its proper divisors (242809004).

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

220735420 is a wasteful number, since it uses less digits than its factorization.

220735420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11036780 (or 11036778 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 220735420 is about 14857.1672939359. The cubic root of 220735420 is about 604.3529908924.

The spelling of 220735420 in words is "two hundred twenty million, seven hundred thirty-five thousand, four hundred twenty".