20501063 has 8 divisors (see below), whose sum is σ = 22732176. Its totient is φ = 18331200.

The previous prime is 20501029. The next prime is 20501069. The reversal of 20501063 is 36010502.

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 20501063 - 2⁸ = 20500807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20501069) 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, 14606 + ... + 15947.

It is an arithmetic number, because the mean of its divisors is an integer number (2841522).

Almost surely, 2^20501063 is an apocalyptic number.

20501063 is a deficient number, since it is larger than the sum of its proper divisors (2231113).

20501063 is a wasteful number, since it uses less digits than its factorization.

20501063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30625.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 20501063 is about 4527.8099562592. The cubic root of 20501063 is about 273.6899141842.

Adding to 20501063 its reverse (36010502), we get a palindrome (56511565).

It can be divided in two parts, 2050 and 1063, that added together give a palindrome (3113).

The spelling of 20501063 in words is "twenty million, five hundred one thousand, sixty-three".