220302478 has 8 divisors (see below), whose sum is σ = 360495000. Its totient is φ = 100137480.

The previous prime is 220302469. The next prime is 220302479. The reversal of 220302478 is 874203022.

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 (220302479) 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, 5006853 + ... + 5006896.

It is an arithmetic number, because the mean of its divisors is an integer number (45061875).

Almost surely, 2^220302478 is an apocalyptic number.

220302478 is a deficient number, since it is larger than the sum of its proper divisors (140192522).

220302478 is a wasteful number, since it uses less digits than its factorization.

220302478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013762.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 220302478 is about 14842.5900030958. The cubic root of 220302478 is about 603.9576140161.

It can be divided in two parts, 220302 and 478, that added together give a triangular number (220780 = T₆₆₄).

The spelling of 220302478 in words is "two hundred twenty million, three hundred two thousand, four hundred seventy-eight".