20072711 has 2 divisors, whose sum is σ = 20072712. Its totient is φ = 20072710.

The previous prime is 20072707. The next prime is 20072729. The reversal of 20072711 is 11727002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20072711 - 2² = 20072707 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 (20072761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10036355 + 10036356.

It is an arithmetic number, because the mean of its divisors is an integer number (10036356).

Almost surely, 2^20072711 is an apocalyptic number.

20072711 is a deficient number, since it is larger than the sum of its proper divisors (1).

20072711 is an equidigital number, since it uses as much as digits as its factorization.

20072711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 20072711 is about 4480.2579166829. The cubic root of 20072711 is about 271.7703105275.

Adding to 20072711 its reverse (11727002), we get a palindrome (31799713).

The spelling of 20072711 in words is "twenty million, seventy-two thousand, seven hundred eleven".