220396724 has 24 divisors (see below), whose sum is σ = 394910208. Its totient is φ = 107577440.

The previous prime is 220396717. The next prime is 220396727. The reversal of 220396724 is 427693022.

It is a happy number.

220396724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220396727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85397 + ... + 87939.

It is an arithmetic number, because the mean of its divisors is an integer number (16454592).

Almost surely, 2^220396724 is an apocalyptic number.

It is an amenable number.

220396724 is a deficient number, since it is larger than the sum of its proper divisors (174513484).

220396724 is a wasteful number, since it uses less digits than its factorization.

220396724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 220396724 is about 14845.7645138268. The cubic root of 220396724 is about 604.0437266415.

The spelling of 220396724 in words is "two hundred twenty million, three hundred ninety-six thousand, seven hundred twenty-four".