20522355011 has 2 divisors, whose sum is σ = 20522355012. Its totient is φ = 20522355010.

The previous prime is 20522354959. The next prime is 20522355019. The reversal of 20522355011 is 11055322502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20522355011 - 2¹⁰ = 20522353987 is a prime.

It is not a weakly prime, because it can be changed into another prime (20522355019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10261177505 + 10261177506.

It is an arithmetic number, because the mean of its divisors is an integer number (10261177506).

Almost surely, 2^20522355011 is an apocalyptic number.

20522355011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20522355011 is an equidigital number, since it uses as much as digits as its factorization.

20522355011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 20522355011 its reverse (11055322502), we get a palindrome (31577677513).

The spelling of 20522355011 in words is "twenty billion, five hundred twenty-two million, three hundred fifty-five thousand, eleven".