20672527 has 8 divisors (see below), whose sum is σ = 22355136. Its totient is φ = 19041792.

The previous prime is 20672501. The next prime is 20672537. The reversal of 20672527 is 72527602.

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 20672527 - 2¹¹ = 20670479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20672537) 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, 12138 + ... + 13735.

It is an arithmetic number, because the mean of its divisors is an integer number (2794392).

Almost surely, 2^20672527 is an apocalyptic number.

20672527 is a deficient number, since it is larger than the sum of its proper divisors (1682609).

20672527 is a wasteful number, since it uses less digits than its factorization.

20672527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25937.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 20672527 is about 4546.7050707078. The cubic root of 20672527 is about 274.4508136240.

The spelling of 20672527 in words is "twenty million, six hundred seventy-two thousand, five hundred twenty-seven".