20133323047 has 2 divisors, whose sum is σ = 20133323048. Its totient is φ = 20133323046.

The previous prime is 20133323027. The next prime is 20133323087. The reversal of 20133323047 is 74032333102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20133323047 - 2²⁷ = 19999105319 is a prime.

It is a super-2 number, since 2×20133323047² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133323027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066661523 + 10066661524.

It is an arithmetic number, because the mean of its divisors is an integer number (10066661524).

Almost surely, 2^20133323047 is an apocalyptic number.

20133323047 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133323047 is an equidigital number, since it uses as much as digits as its factorization.

20133323047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 28.

Adding to 20133323047 its reverse (74032333102), we get a palindrome (94165656149).

The spelling of 20133323047 in words is "twenty billion, one hundred thirty-three million, three hundred twenty-three thousand, forty-seven".