220703906 has 16 divisors (see below), whose sum is σ = 349017984. Its totient is φ = 104463744.

The previous prime is 220703881. The next prime is 220703921. The reversal of 220703906 is 609307022.

220703906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20270 + ... + 29193.

It is an arithmetic number, because the mean of its divisors is an integer number (21813624).

Almost surely, 2^220703906 is an apocalyptic number.

220703906 is a deficient number, since it is larger than the sum of its proper divisors (128314078).

220703906 is a wasteful number, since it uses less digits than its factorization.

220703906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49585.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 220703906 is about 14856.1066905162. The cubic root of 220703906 is about 604.3242287260.

The spelling of 220703906 in words is "two hundred twenty million, seven hundred three thousand, nine hundred six".