220020135311 has 2 divisors, whose sum is σ = 220020135312. Its totient is φ = 220020135310.

The previous prime is 220020135287. The next prime is 220020135323. The reversal of 220020135311 is 113531020022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220020135311 - 2³⁴ = 202840266127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220020135341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110010067655 + 110010067656.

It is an arithmetic number, because the mean of its divisors is an integer number (110010067656).

Almost surely, 2^220020135311 is an apocalyptic number.

220020135311 is a deficient number, since it is larger than the sum of its proper divisors (1).

220020135311 is an equidigital number, since it uses as much as digits as its factorization.

220020135311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 220020135311 its reverse (113531020022), we get a palindrome (333551155333).

The spelling of 220020135311 in words is "two hundred twenty billion, twenty million, one hundred thirty-five thousand, three hundred eleven".