220234023811 has 2 divisors, whose sum is σ = 220234023812. Its totient is φ = 220234023810.

The previous prime is 220234023791. The next prime is 220234023829. The reversal of 220234023811 is 118320432022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220234023811 is a prime.

It is a super-2 number, since 2×220234023811² (a number of 23 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 220234023811.

It is not a weakly prime, because it can be changed into another prime (220234023851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110117011905 + 110117011906.

It is an arithmetic number, because the mean of its divisors is an integer number (110117011906).

Almost surely, 2^220234023811 is an apocalyptic number.

220234023811 is a deficient number, since it is larger than the sum of its proper divisors (1).

220234023811 is an equidigital number, since it uses as much as digits as its factorization.

220234023811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 220234023811 its reverse (118320432022), we get a palindrome (338554455833).

The spelling of 220234023811 in words is "two hundred twenty billion, two hundred thirty-four million, twenty-three thousand, eight hundred eleven".