20546361 has 24 divisors (see below), whose sum is σ = 32831136. Its totient is φ = 12277440.

The previous prime is 20546341. The next prime is 20546369. The reversal of 20546361 is 16364502.

20546361 is a `hidden beast` number, since 20 + 5 + 4 + 636 + 1 = 666.

20546361 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 20546361 - 2⁷ = 20546233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20546369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5806 + ... + 8648.

It is an arithmetic number, because the mean of its divisors is an integer number (1367964).

Almost surely, 2^20546361 is an apocalyptic number.

It is an amenable number.

20546361 is a deficient number, since it is larger than the sum of its proper divisors (12284775).

20546361 is a wasteful number, since it uses less digits than its factorization.

20546361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933 (or 2930 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20546361 is about 4532.8093937425. The cubic root of 20546361 is about 273.8913425346.

The spelling of 20546361 in words is "twenty million, five hundred forty-six thousand, three hundred sixty-one".