220019794 has 8 divisors (see below), whose sum is σ = 344378880. Its totient is φ = 105226836.

The previous prime is 220019783. The next prime is 220019809. The reversal of 220019794 is 497910022.

It is a happy number.

220019794 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391474 + ... + 2391565.

It is an arithmetic number, because the mean of its divisors is an integer number (43047360).

Almost surely, 2^220019794 is an apocalyptic number.

220019794 is a deficient number, since it is larger than the sum of its proper divisors (124359086).

220019794 is a wasteful number, since it uses less digits than its factorization.

220019794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783064.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 220019794 is about 14833.0642147872. The cubic root of 220019794 is about 603.6991780810.

The spelling of 220019794 in words is "two hundred twenty million, nineteen thousand, seven hundred ninety-four".