20035315211 has 4 divisors (see below), whose sum is σ = 20062874832. Its totient is φ = 20007755592.

The previous prime is 20035315207. The next prime is 20035315217. The reversal of 20035315211 is 11251353002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20035315211 - 2² = 20035315207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20035315217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13778720 + ... + 13780173.

It is an arithmetic number, because the mean of its divisors is an integer number (5015718708).

Almost surely, 2^20035315211 is an apocalyptic number.

20035315211 is a deficient number, since it is larger than the sum of its proper divisors (27559621).

20035315211 is an equidigital number, since it uses as much as digits as its factorization.

20035315211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27559620.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 20035315211 its reverse (11251353002), we get a palindrome (31286668213).

The spelling of 20035315211 in words is "twenty billion, thirty-five million, three hundred fifteen thousand, two hundred eleven".