20066602 has 8 divisors (see below), whose sum is σ = 30119076. Its totient is φ = 10026912.

The previous prime is 20066587. The next prime is 20066611. The reversal of 20066602 is 20666002.

It can be written as a sum of positive squares in 2 ways, for example, as 14205361 + 5861241 = 3769^2 + 2421^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748 + ... + 7360.

Almost surely, 2^20066602 is an apocalyptic number.

20066602 is a deficient number, since it is larger than the sum of its proper divisors (10052474).

20066602 is a wasteful number, since it uses less digits than its factorization.

20066602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20066602 is about 4479.5760960162. The cubic root of 20066602 is about 271.7427372169.

The spelling of 20066602 in words is "twenty million, sixty-six thousand, six hundred two".