20536061 has 8 divisors (see below), whose sum is σ = 25275264. Its totient is φ = 16248240.

The previous prime is 20536057. The next prime is 20536063. The reversal of 20536061 is 16063502.

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

It is a cyclic number.

It is not a de Polignac number, because 20536061 - 2² = 20536057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20536063) 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, 112745 + ... + 112926.

It is an arithmetic number, because the mean of its divisors is an integer number (3159408).

Almost surely, 2^20536061 is an apocalyptic number.

It is an amenable number.

20536061 is a deficient number, since it is larger than the sum of its proper divisors (4739203).

20536061 is a wasteful number, since it uses less digits than its factorization.

20536061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225691.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20536061 is about 4531.6730905925. The cubic root of 20536061 is about 273.8455671559.

Adding to 20536061 its reverse (16063502), we get a palindrome (36599563).

The spelling of 20536061 in words is "twenty million, five hundred thirty-six thousand, sixty-one".