20536707 has 8 divisors (see below), whose sum is σ = 27406080. Its totient is φ = 13679240.

The previous prime is 20536667. The next prime is 20536717. The reversal of 20536707 is 70763502.

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 20536707 - 2⁶ = 20536643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20536717) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2482 + ... + 6872.

It is an arithmetic number, because the mean of its divisors is an integer number (3425760).

Almost surely, 2^20536707 is an apocalyptic number.

20536707 is a deficient number, since it is larger than the sum of its proper divisors (6869373).

20536707 is a wasteful number, since it uses less digits than its factorization.

20536707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 20536707 is about 4531.7443661354. The cubic root of 20536707 is about 273.8484385664.

The spelling of 20536707 in words is "twenty million, five hundred thirty-six thousand, seven hundred seven".