20073211 has 2 divisors, whose sum is σ = 20073212. Its totient is φ = 20073210.

The previous prime is 20073199. The next prime is 20073247. The reversal of 20073211 is 11237002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20073211 - 2¹⁵ = 20040443 is a prime.

It is not a weakly prime, because it can be changed into another prime (20073271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10036605 + 10036606.

It is an arithmetic number, because the mean of its divisors is an integer number (10036606).

Almost surely, 2^20073211 is an apocalyptic number.

20073211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20073211 is an equidigital number, since it uses as much as digits as its factorization.

20073211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 20073211 is about 4480.3137166944. The cubic root of 20073211 is about 271.7725670576.

The spelling of 20073211 in words is "twenty million, seventy-three thousand, two hundred eleven".