220145794 has 8 divisors (see below), whose sum is σ = 360238608. Its totient is φ = 100066260.

The previous prime is 220145789. The next prime is 220145803. The reversal of 220145794 is 497541022.

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, 5003292 + ... + 5003335.

It is an arithmetic number, because the mean of its divisors is an integer number (45029826).

Almost surely, 2^220145794 is an apocalyptic number.

220145794 is a deficient number, since it is larger than the sum of its proper divisors (140092814).

220145794 is a wasteful number, since it uses less digits than its factorization.

220145794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006640.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 220145794 is about 14837.3108749530. The cubic root of 220145794 is about 603.8143973821.

The spelling of 220145794 in words is "two hundred twenty million, one hundred forty-five thousand, seven hundred ninety-four".