320755011 has 8 divisors (see below), whose sum is σ = 429134160. Its totient is φ = 213106272.

The previous prime is 320754991. The next prime is 320755073. The reversal of 320755011 is 110557023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320755011 - 2¹⁰ = 320753987 is a prime.

It is a super-2 number, since 2×320755011² = 205767554163220242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320755111) 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, 181576 + ... + 183333.

It is an arithmetic number, because the mean of its divisors is an integer number (53641770).

Almost surely, 2^320755011 is an apocalyptic number.

320755011 is a deficient number, since it is larger than the sum of its proper divisors (108379149).

320755011 is a wasteful number, since it uses less digits than its factorization.

320755011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365205.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 320755011 is about 17909.6345858870. The cubic root of 320755011 is about 684.5278939232.

The spelling of 320755011 in words is "three hundred twenty million, seven hundred fifty-five thousand, eleven".