20522204345211 has 16 divisors (see below), whose sum is σ = 29732225879040. Its totient is φ = 12543282790560.

The previous prime is 20522204345207. The next prime is 20522204345297. The reversal of 20522204345211 is 11254340222502.

It is not a de Polignac number, because 20522204345211 - 2² = 20522204345207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20522204545211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5807073600 + ... + 5807077133.

It is an arithmetic number, because the mean of its divisors is an integer number (1858264117440).

Almost surely, 2^{20522204345211} is an apocalyptic number.

20522204345211 is a deficient number, since it is larger than the sum of its proper divisors (9210021533829).

20522204345211 is a wasteful number, since it uses less digits than its factorization.

20522204345211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11614150786.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 20522204345211 its reverse (11254340222502), we get a palindrome (31776544567713).

The spelling of 20522204345211 in words is "twenty trillion, five hundred twenty-two billion, two hundred four million, three hundred forty-five thousand, two hundred eleven".