320020133 has 8 divisors (see below), whose sum is σ = 338100480. Its totient is φ = 302409520.

The previous prime is 320020123. The next prime is 320020153. The reversal of 320020133 is 331020023.

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

It is a cyclic number.

It is not a de Polignac number, because 320020133 - 2⁶ = 320020069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320020123) 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, 116033 + ... + 118758.

It is an arithmetic number, because the mean of its divisors is an integer number (42262560).

Almost surely, 2^320020133 is an apocalyptic number.

It is an amenable number.

320020133 is a deficient number, since it is larger than the sum of its proper divisors (18080347).

320020133 is a wasteful number, since it uses less digits than its factorization.

320020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234867.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 320020133 is about 17889.1065456048. The cubic root of 320020133 is about 684.0047229306.

Adding to 320020133 its reverse (331020023), we get a palindrome (651040156).

The spelling of 320020133 in words is "three hundred twenty million, twenty thousand, one hundred thirty-three".