9020666 has 4 divisors (see below), whose sum is σ = 13531002. Its totient is φ = 4510332.

The previous prime is 9020657. The next prime is 9020681. The reversal of 9020666 is 6660209.

It is a happy number.

9020666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 229441 = 2965^2 + 479^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2255165 + ... + 2255168.

Almost surely, 2^9020666 is an apocalyptic number.

9020666 is a deficient number, since it is larger than the sum of its proper divisors (4510336).

9020666 is a wasteful number, since it uses less digits than its factorization.

9020666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510335.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 9020666 is about 3003.4423583615. The cubic root of 9020666 is about 208.1674717556.

The spelling of 9020666 in words is "nine million, twenty thousand, six hundred sixty-six".