20323214212277 has 2 divisors, whose sum is σ = 20323214212278. Its totient is φ = 20323214212276.

The previous prime is 20323214212253. The next prime is 20323214212321. The reversal of 20323214212277 is 77221241232302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16024761572836 + 4298452639441 = 4003094^2 + 2073271^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323214212277 - 2²² = 20323210017973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20323214212277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20323214212207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161607106138 + 10161607106139.

It is an arithmetic number, because the mean of its divisors is an integer number (10161607106139).

Almost surely, 2^{20323214212277} is an apocalyptic number.

It is an amenable number.

20323214212277 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323214212277 is an equidigital number, since it uses as much as digits as its factorization.

20323214212277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 38.

Adding to 20323214212277 its reverse (77221241232302), we get a palindrome (97544455444579).

The spelling of 20323214212277 in words is "twenty trillion, three hundred twenty-three billion, two hundred fourteen million, two hundred twelve thousand, two hundred seventy-seven".