20400608222333 has 2 divisors, whose sum is σ = 20400608222334. Its totient is φ = 20400608222332.

The previous prime is 20400608222299. The next prime is 20400608222383. The reversal of 20400608222333 is 33322280600402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20227308360484 + 173299861849 = 4497478^2 + 416293^2 .

It is a cyclic number.

It is not a de Polignac number, because 20400608222333 - 2²⁸ = 20400339786877 is a prime.

It is a super-2 number, since 2×20400608222333² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20400608222293 and 20400608222302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20400608222383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10200304111166 + 10200304111167.

It is an arithmetic number, because the mean of its divisors is an integer number (10200304111167).

Almost surely, 2^{20400608222333} is an apocalyptic number.

It is an amenable number.

20400608222333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20400608222333 is an equidigital number, since it uses as much as digits as its factorization.

20400608222333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 20400608222333 its reverse (33322280600402), we get a palindrome (53722888822735).

The spelling of 20400608222333 in words is "twenty trillion, four hundred billion, six hundred eight million, two hundred twenty-two thousand, three hundred thirty-three".