220064746 has 8 divisors (see below), whose sum is σ = 360105984. Its totient is φ = 100029420.

The previous prime is 220064729. The next prime is 220064777. The reversal of 220064746 is 647460022.

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, 5001450 + ... + 5001493.

It is an arithmetic number, because the mean of its divisors is an integer number (45013248).

Almost surely, 2^220064746 is an apocalyptic number.

220064746 is a deficient number, since it is larger than the sum of its proper divisors (140041238).

220064746 is a wasteful number, since it uses less digits than its factorization.

220064746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002956.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 220064746 is about 14834.5794008458. The cubic root of 220064746 is about 603.7402889845.

The spelling of 220064746 in words is "two hundred twenty million, sixty-four thousand, seven hundred forty-six".