20352763 has 2 divisors, whose sum is σ = 20352764. Its totient is φ = 20352762.

The previous prime is 20352737. The next prime is 20352767. The reversal of 20352763 is 36725302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20352763 is a prime.

It is not a weakly prime, because it can be changed into another prime (20352767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10176381 + 10176382.

It is an arithmetic number, because the mean of its divisors is an integer number (10176382).

Almost surely, 2^20352763 is an apocalyptic number.

20352763 is a deficient number, since it is larger than the sum of its proper divisors (1).

20352763 is an equidigital number, since it uses as much as digits as its factorization.

20352763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 20352763 is about 4511.4036618330. The cubic root of 20352763 is about 273.0283797374.

It can be divided in two parts, 20352 and 763, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 20352763 in words is "twenty million, three hundred fifty-two thousand, seven hundred sixty-three".