20133102061 has 2 divisors, whose sum is σ = 20133102062. Its totient is φ = 20133102060.

The previous prime is 20133101987. The next prime is 20133102109. The reversal of 20133102061 is 16020133102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19347140836 + 785961225 = 139094^2 + 28035^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133102061 - 2¹⁷ = 20132970989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133106061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066551030 + 10066551031.

It is an arithmetic number, because the mean of its divisors is an integer number (10066551031).

Almost surely, 2^20133102061 is an apocalyptic number.

It is an amenable number.

20133102061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133102061 is an equidigital number, since it uses as much as digits as its factorization.

20133102061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 20133102061 its reverse (16020133102), we get a palindrome (36153235163).

The spelling of 20133102061 in words is "twenty billion, one hundred thirty-three million, one hundred two thousand, sixty-one".