20057763 has 16 divisors (see below), whose sum is σ = 30182400. Its totient is φ = 11736480.

The previous prime is 20057753. The next prime is 20057777. The reversal of 20057763 is 36775002.

It is not a de Polignac number, because 20057763 - 2⁸ = 20057507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20057763.

It is not an unprimeable number, because it can be changed into a prime (20057743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9523 + ... + 11436.

It is an arithmetic number, because the mean of its divisors is an integer number (1886400).

Almost surely, 2^20057763 is an apocalyptic number.

20057763 is a deficient number, since it is larger than the sum of its proper divisors (10124637).

20057763 is a wasteful number, since it uses less digits than its factorization.

20057763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21002.

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

The square root of 20057763 is about 4478.5893984602. The cubic root of 20057763 is about 271.7028319918.

The spelling of 20057763 in words is "twenty million, fifty-seven thousand, seven hundred sixty-three".