20066202 has 48 divisors (see below), whose sum is σ = 48452040. Its totient is φ = 5959296.

The previous prime is 20066197. The next prime is 20066243. The reversal of 20066202 is 20266002.

20066202 is a `hidden beast` number, since 2 + 0 + 0 + 662 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10830681 + 9235521 = 3291^2 + 3039^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5308 + ... + 8264.

Almost surely, 2^20066202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20066202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24226020).

20066202 is an abundant number, since it is smaller than the sum of its proper divisors (28385838).

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

20066202 is a wasteful number, since it uses less digits than its factorization.

20066202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007 (or 3004 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20066202 is about 4479.5314487120. The cubic root of 20066202 is about 271.7409315995.

The spelling of 20066202 in words is "twenty million, sixty-six thousand, two hundred two".