20133223037 has 2 divisors, whose sum is σ = 20133223038.
Its totient is φ = 20133223036.
The previous prime is 20133223013. The next prime is 20133223043. The reversal of 20133223037 is 73032233102.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 20115465241 + 17757796 = 141829^2 + 4214^2
It is a cyclic number.
It is not a de Polignac number, because 20133223037 - 218 = 20132960893 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20133222997 and 20133223015.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (20133223067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066611518 + 10066611519.
It is an arithmetic number, because the mean of its divisors is an integer number (10066611519).
Almost surely, 220133223037 is an apocalyptic number.
It is an amenable number.
20133223037 is a deficient number, since it is larger than the sum of its proper divisors (1).
20133223037 is an equidigital number, since it uses as much as digits as its factorization.
20133223037 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4536, while the sum is 26.
Adding to 20133223037 its reverse (73032233102), we get a palindrome (93165456139).
The spelling of 20133223037 in words is "twenty billion, one hundred thirty-three million, two hundred twenty-three thousand, thirty-seven".