20012202311 has 2 divisors, whose sum is σ = 20012202312. Its totient is φ = 20012202310.

The previous prime is 20012202283. The next prime is 20012202337. The reversal of 20012202311 is 11320221002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20012202311 - 2³⁰ = 18938460487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20012202011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006101155 + 10006101156.

It is an arithmetic number, because the mean of its divisors is an integer number (10006101156).

Almost surely, 2^20012202311 is an apocalyptic number.

20012202311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012202311 is an equidigital number, since it uses as much as digits as its factorization.

20012202311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20012202311 its reverse (11320221002), we get a palindrome (31332423313).

The spelling of 20012202311 in words is "twenty billion, twelve million, two hundred two thousand, three hundred eleven".