20522205107 has 2 divisors, whose sum is σ = 20522205108. Its totient is φ = 20522205106.

The previous prime is 20522205073. The next prime is 20522205131. The reversal of 20522205107 is 70150222502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20522205107 - 2¹⁴ = 20522188723 is a prime.

It is not a weakly prime, because it can be changed into another prime (20522205167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261102553 + 10261102554.

It is an arithmetic number, because the mean of its divisors is an integer number (10261102554).

Almost surely, 2^20522205107 is an apocalyptic number.

20522205107 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522205107 is an equidigital number, since it uses as much as digits as its factorization.

20522205107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

Adding to 20522205107 its reverse (70150222502), we get a palindrome (90672427609).

The spelling of 20522205107 in words is "twenty billion, five hundred twenty-two million, two hundred five thousand, one hundred seven".