20526162211 has 2 divisors, whose sum is σ = 20526162212. Its totient is φ = 20526162210.

The previous prime is 20526162193. The next prime is 20526162247. The reversal of 20526162211 is 11226162502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20526162211 - 2⁵ = 20526162179 is a prime.

It is a super-2 number, since 2×20526162211² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20526162211.

It is not a weakly prime, because it can be changed into another prime (20526162911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10263081105 + 10263081106.

It is an arithmetic number, because the mean of its divisors is an integer number (10263081106).

Almost surely, 2^20526162211 is an apocalyptic number.

20526162211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20526162211 is an equidigital number, since it uses as much as digits as its factorization.

20526162211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 20526162211 in words is "twenty billion, five hundred twenty-six million, one hundred sixty-two thousand, two hundred eleven".