120320266 has 16 divisors (see below), whose sum is σ = 197598528. Its totient is φ = 54493600.

The previous prime is 120320251. The next prime is 120320267. The reversal of 120320266 is 662023021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (120320267) 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, 3550 + ... + 15913.

It is an arithmetic number, because the mean of its divisors is an integer number (12349908).

Almost surely, 2^120320266 is an apocalyptic number.

120320266 is a deficient number, since it is larger than the sum of its proper divisors (77278262).

120320266 is a wasteful number, since it uses less digits than its factorization.

120320266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19757.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 120320266 is about 10969.0594856624. The cubic root of 120320266 is about 493.6808272267.

Adding to 120320266 its reverse (662023021), we get a palindrome (782343287).

The spelling of 120320266 in words is "one hundred twenty million, three hundred twenty thousand, two hundred sixty-six".