20136061 has 8 divisors (see below), whose sum is σ = 22001184. Its totient is φ = 18276720.

The previous prime is 20136059. The next prime is 20136071. The reversal of 20136061 is 16063102.

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

It is not a de Polignac number, because 20136061 - 2¹ = 20136059 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 (20136031) 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, 9451 + ... + 11383.

It is an arithmetic number, because the mean of its divisors is an integer number (2750148).

Almost surely, 2^20136061 is an apocalyptic number.

It is an amenable number.

20136061 is a deficient number, since it is larger than the sum of its proper divisors (1865123).

20136061 is a wasteful number, since it uses less digits than its factorization.

20136061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20136061 is about 4487.3222527472. The cubic root of 20136061 is about 272.0559150114.

Adding to 20136061 its reverse (16063102), we get a palindrome (36199163).

The spelling of 20136061 in words is "twenty million, one hundred thirty-six thousand, sixty-one".