216073420 has 12 divisors (see below), whose sum is σ = 453754224. Its totient is φ = 86429360.

The previous prime is 216073411. The next prime is 216073427. The reversal of 216073420 is 24370612.

It is not an unprimeable number, because it can be changed into a prime (216073427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5401816 + ... + 5401855.

It is an arithmetic number, because the mean of its divisors is an integer number (37812852).

Almost surely, 2^216073420 is an apocalyptic number.

216073420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216073420 is an abundant number, since it is smaller than the sum of its proper divisors (237680804).

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

216073420 is a wasteful number, since it uses less digits than its factorization.

216073420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10803680 (or 10803678 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 216073420 is about 14699.4360436038. The cubic root of 216073420 is about 600.0679737805.

The spelling of 216073420 in words is "two hundred sixteen million, seventy-three thousand, four hundred twenty".