20036061 has 6 divisors (see below), whose sum is σ = 28940990. Its totient is φ = 13357368.

The previous prime is 20036041. The next prime is 20036083. The reversal of 20036061 is 16063002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13176900 + 6859161 = 3630^2 + 2619^2 .

It is not a de Polignac number, because 20036061 - 2⁶ = 20035997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20036011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1113106 + ... + 1113123.

Almost surely, 2^20036061 is an apocalyptic number.

It is an amenable number.

20036061 is a deficient number, since it is larger than the sum of its proper divisors (8904929).

20036061 is a wasteful number, since it uses less digits than its factorization.

20036061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226235 (or 2226232 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 20036061 is about 4476.1658816447. The cubic root of 20036061 is about 271.6048047299.

Adding to 20036061 its reverse (16063002), we get a palindrome (36099063).

The spelling of 20036061 in words is "twenty million, thirty-six thousand, sixty-one".