20714663 has 2 divisors, whose sum is σ = 20714664. Its totient is φ = 20714662.

The previous prime is 20714657. The next prime is 20714689. The reversal of 20714663 is 36641702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20714663 - 2⁴ = 20714647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20714063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10357331 + 10357332.

It is an arithmetic number, because the mean of its divisors is an integer number (10357332).

Almost surely, 2^20714663 is an apocalyptic number.

20714663 is a deficient number, since it is larger than the sum of its proper divisors (1).

20714663 is an equidigital number, since it uses as much as digits as its factorization.

20714663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 20714663 is about 4551.3363971475. The cubic root of 20714663 is about 274.6371545162.

The spelling of 20714663 in words is "twenty million, seven hundred fourteen thousand, six hundred sixty-three".