20476763 has 2 divisors, whose sum is σ = 20476764. Its totient is φ = 20476762.

The previous prime is 20476747. The next prime is 20476777. The reversal of 20476763 is 36767402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20476763 - 2⁴ = 20476747 is a prime.

It is not a weakly prime, because it can be changed into another prime (20476723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10238381 + 10238382.

It is an arithmetic number, because the mean of its divisors is an integer number (10238382).

Almost surely, 2^20476763 is an apocalyptic number.

20476763 is a deficient number, since it is larger than the sum of its proper divisors (1).

20476763 is an equidigital number, since it uses as much as digits as its factorization.

20476763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 20476763 is about 4525.1257441092. The cubic root of 20476763 is about 273.5817361459.

It can be divided in two parts, 204 and 76763, that added together give a palindrome (76967).

The spelling of 20476763 in words is "twenty million, four hundred seventy-six thousand, seven hundred sixty-three".