20713411 has 2 divisors, whose sum is σ = 20713412. Its totient is φ = 20713410.

The previous prime is 20713393. The next prime is 20713447. The reversal of 20713411 is 11431702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20713411 - 2¹⁹ = 20189123 is a prime.

It is not a weakly prime, because it can be changed into another prime (20719411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10356705 + 10356706.

It is an arithmetic number, because the mean of its divisors is an integer number (10356706).

Almost surely, 2^20713411 is an apocalyptic number.

20713411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20713411 is an equidigital number, since it uses as much as digits as its factorization.

20713411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 20713411 is about 4551.1988530496. The cubic root of 20713411 is about 274.6316213561.

The spelling of 20713411 in words is "twenty million, seven hundred thirteen thousand, four hundred eleven".