20435053211 has 2 divisors, whose sum is σ = 20435053212. Its totient is φ = 20435053210.

The previous prime is 20435053193. The next prime is 20435053217. The reversal of 20435053211 is 11235053402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20435053211 - 2¹⁴ = 20435036827 is a prime.

It is not a weakly prime, because it can be changed into another prime (20435053217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10217526605 + 10217526606.

It is an arithmetic number, because the mean of its divisors is an integer number (10217526606).

Almost surely, 2^20435053211 is an apocalyptic number.

20435053211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20435053211 is an equidigital number, since it uses as much as digits as its factorization.

20435053211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 20435053211 in words is "twenty billion, four hundred thirty-five million, fifty-three thousand, two hundred eleven".