219980505 has 8 divisors (see below), whose sum is σ = 351968832. Its totient is φ = 117322928.

The previous prime is 219980491. The next prime is 219980513. The reversal of 219980505 is 505089912.

219980505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 219980505 - 2⁵ = 219980473 is a prime.

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, 7332669 + ... + 7332698.

It is an arithmetic number, because the mean of its divisors is an integer number (43996104).

Almost surely, 2^219980505 is an apocalyptic number.

It is an amenable number.

219980505 is a deficient number, since it is larger than the sum of its proper divisors (131988327).

219980505 is a wasteful number, since it uses less digits than its factorization.

219980505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14665375.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 219980505 is about 14831.7397833160. The cubic root of 219980505 is about 603.6632416947.

The spelling of 219980505 in words is "two hundred nineteen million, nine hundred eighty thousand, five hundred five".