20110220827 has 2 divisors, whose sum is σ = 20110220828. Its totient is φ = 20110220826.

The previous prime is 20110220807. The next prime is 20110220861. The reversal of 20110220827 is 72802201102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20110220827 - 2⁷ = 20110220699 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110220807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055110413 + 10055110414.

It is an arithmetic number, because the mean of its divisors is an integer number (10055110414).

Almost surely, 2^20110220827 is an apocalyptic number.

20110220827 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110220827 is an equidigital number, since it uses as much as digits as its factorization.

20110220827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 20110220827 its reverse (72802201102), we get a palindrome (92912421929).

The spelling of 20110220827 in words is "twenty billion, one hundred ten million, two hundred twenty thousand, eight hundred twenty-seven".