20496063 has 12 divisors (see below), whose sum is σ = 31790040. Its totient is φ = 11711952.

The previous prime is 20496043. The next prime is 20496071. The reversal of 20496063 is 36069402.

It is not a de Polignac number, because 20496063 - 2¹² = 20491967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20496063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20496043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69568 + ... + 69861.

It is an arithmetic number, because the mean of its divisors is an integer number (2649170).

Almost surely, 2^20496063 is an apocalyptic number.

20496063 is a deficient number, since it is larger than the sum of its proper divisors (11293977).

20496063 is a wasteful number, since it uses less digits than its factorization.

20496063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139446 (or 139439 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 20496063 is about 4527.2577792743. The cubic root of 20496063 is about 273.6676623163.

The spelling of 20496063 in words is "twenty million, four hundred ninety-six thousand, sixty-three".