20133112061 has 2 divisors, whose sum is σ = 20133112062. Its totient is φ = 20133112060.

The previous prime is 20133112039. The next prime is 20133112073. The reversal of 20133112061 is 16021133102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20121422500 + 11689561 = 141850^2 + 3419^2 .

It is a cyclic number.

It is not a de Polignac number, because 20133112061 - 2²⁶ = 20066003197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20133112561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10066556030 + 10066556031.

It is an arithmetic number, because the mean of its divisors is an integer number (10066556031).

Almost surely, 2^20133112061 is an apocalyptic number.

It is an amenable number.

20133112061 is a deficient number, since it is larger than the sum of its proper divisors (1).

20133112061 is an equidigital number, since it uses as much as digits as its factorization.

20133112061 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 20.

Adding to 20133112061 its reverse (16021133102), we get a palindrome (36154245163).

The spelling of 20133112061 in words is "twenty billion, one hundred thirty-three million, one hundred twelve thousand, sixty-one".