667020336 has 40 divisors (see below), whose sum is σ = 1724752704. Its totient is φ = 222131520.

The previous prime is 667020331. The next prime is 667020353. The reversal of 667020336 is 633020766.

It is a super-2 number, since 2×667020336² = 889832257275105792, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 667020297 and 667020306.

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, 50275 + ... + 62141.

Almost surely, 2^667020336 is an apocalyptic number.

It is an amenable number.

667020336 is an abundant number, since it is smaller than the sum of its proper divisors (1057732368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667020336 is a wasteful number, since it uses less digits than its factorization.

667020336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13049 (or 13043 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 667020336 is about 25826.7368438214. The cubic root of 667020336 is about 873.7349167373.

The spelling of 667020336 in words is "six hundred sixty-seven million, twenty thousand, three hundred thirty-six".