219043420 has 24 divisors (see below), whose sum is σ = 462382704. Its totient is φ = 87161856.

The previous prime is 219043399. The next prime is 219043439. The reversal of 219043420 is 24340912.

219043420 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 7 ways as a sum of consecutive naturals, for example, 24514 + ... + 32233.

It is an arithmetic number, because the mean of its divisors is an integer number (19265946).

Almost surely, 2^219043420 is an apocalyptic number.

219043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219043420 is an abundant number, since it is smaller than the sum of its proper divisors (243339284).

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

219043420 is a wasteful number, since it uses less digits than its factorization.

219043420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56949 (or 56947 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 219043420 is about 14800.1155400895. The cubic root of 219043420 is about 602.8048490858.

The spelling of 219043420 in words is "two hundred nineteen million, forty-three thousand, four hundred twenty".