20133322057 has 2 divisors, whose sum is σ = 20133322058. Its totient is φ = 20133322056.

The previous prime is 20133322039. The next prime is 20133322087. The reversal of 20133322057 is 75022333102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19347697216 + 785624841 = 139096^2 + 28029^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133322057 - 2²⁷ = 19999104329 is a prime.

It is a super-2 number, since 2×20133322057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20133322087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066661028 + 10066661029.

It is an arithmetic number, because the mean of its divisors is an integer number (10066661029).

Almost surely, 2^20133322057 is an apocalyptic number.

It is an amenable number.

20133322057 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133322057 is an equidigital number, since it uses as much as digits as its factorization.

20133322057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 28.

Adding to 20133322057 its reverse (75022333102), we get a palindrome (95155655159).

The spelling of 20133322057 in words is "twenty billion, one hundred thirty-three million, three hundred twenty-two thousand, fifty-seven".