220400294 has 8 divisors (see below), whose sum is σ = 330914640. Its totient is φ = 110095416.

The previous prime is 220400293. The next prime is 220400309. The reversal of 220400294 is 492004022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220400293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49709 + ... + 53960.

It is an arithmetic number, because the mean of its divisors is an integer number (41364330).

Almost surely, 2^220400294 is an apocalyptic number.

220400294 is a deficient number, since it is larger than the sum of its proper divisors (110514346).

220400294 is a wasteful number, since it uses less digits than its factorization.

220400294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104734.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 220400294 is about 14845.8847496537. The cubic root of 220400294 is about 604.0469880700.

The spelling of 220400294 in words is "two hundred twenty million, four hundred thousand, two hundred ninety-four".