667020333 has 8 divisors (see below), whose sum is σ = 1016411968. Its totient is φ = 381154464.

The previous prime is 667020331. The next prime is 667020353. The reversal of 667020333 is 333020766.

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

It is not a de Polignac number, because 667020333 - 2¹ = 667020331 is a prime.

It is a super-2 number, since 2×667020333² = 889832249270861778, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 667020333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667020331) 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, 15881416 + ... + 15881457.

It is an arithmetic number, because the mean of its divisors is an integer number (127051496).

Almost surely, 2^667020333 is an apocalyptic number.

It is an amenable number.

667020333 is a deficient number, since it is larger than the sum of its proper divisors (349391635).

667020333 is a wasteful number, since it uses less digits than its factorization.

667020333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31762883.

The product of its (nonzero) digits is 13608, while the sum is 30.

The square root of 667020333 is about 25826.7367857420. The cubic root of 667020333 is about 873.7349154274.

The spelling of 667020333 in words is "six hundred sixty-seven million, twenty thousand, three hundred thirty-three".