20522230011 has 64 divisors (see below), whose sum is σ = 32803315200. Its totient is φ = 12640447872.

The previous prime is 20522229997. The next prime is 20522230081. The reversal of 20522230011 is 11003222502.

It is not a de Polignac number, because 20522230011 - 2⁵ = 20522229979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20522230081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4701516 + ... + 4705878.

It is an arithmetic number, because the mean of its divisors is an integer number (512551800).

Almost surely, 2^20522230011 is an apocalyptic number.

20522230011 is a deficient number, since it is larger than the sum of its proper divisors (12281085189).

20522230011 is a wasteful number, since it uses less digits than its factorization.

20522230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617 (or 4611 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 20522230011 its reverse (11003222502), we get a palindrome (31525452513).

The spelling of 20522230011 in words is "twenty billion, five hundred twenty-two million, two hundred thirty thousand, eleven".