20452711 has 2 divisors, whose sum is σ = 20452712. Its totient is φ = 20452710.

The previous prime is 20452703. The next prime is 20452723. The reversal of 20452711 is 11725402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20452711 - 2³ = 20452703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20452771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10226355 + 10226356.

It is an arithmetic number, because the mean of its divisors is an integer number (10226356).

Almost surely, 2^20452711 is an apocalyptic number.

20452711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20452711 is an equidigital number, since it uses as much as digits as its factorization.

20452711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 20452711 is about 4522.4673575384. The cubic root of 20452711 is about 273.4745778357.

The spelling of 20452711 in words is "twenty million, four hundred fifty-two thousand, seven hundred eleven".