20000090311 has 2 divisors, whose sum is σ = 20000090312. Its totient is φ = 20000090310.

The previous prime is 20000090309. The next prime is 20000090329. The reversal of 20000090311 is 11309000002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20000090311 - 2¹ = 20000090309 is a prime.

It is a super-2 number, since 2×20000090311² (a number of 21 digits) contains 22 as substring.

Together with 20000090309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000094311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000045155 + 10000045156.

It is an arithmetic number, because the mean of its divisors is an integer number (10000045156).

Almost surely, 2^20000090311 is an apocalyptic number.

20000090311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000090311 is an equidigital number, since it uses as much as digits as its factorization.

20000090311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 20000090311 its reverse (11309000002), we get a palindrome (31309090313).

The spelling of 20000090311 in words is "twenty billion, ninety thousand, three hundred eleven".