220503478 has 8 divisors (see below), whose sum is σ = 356197968. Its totient is φ = 101770824.

The previous prime is 220503469. The next prime is 220503541. The reversal of 220503478 is 874305022.

220503478 is digitally balanced in base 3, 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 congruent number.

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, 4240426 + ... + 4240477.

It is an arithmetic number, because the mean of its divisors is an integer number (44524746).

Almost surely, 2^220503478 is an apocalyptic number.

220503478 is a deficient number, since it is larger than the sum of its proper divisors (135694490).

220503478 is a wasteful number, since it uses less digits than its factorization.

220503478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8480918.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 220503478 is about 14849.3595148074. The cubic root of 220503478 is about 604.1412381867.

The spelling of 220503478 in words is "two hundred twenty million, five hundred three thousand, four hundred seventy-eight".