20525944333 has 2 divisors, whose sum is σ = 20525944334. Its totient is φ = 20525944332.

The previous prime is 20525944319. The next prime is 20525944337. The reversal of 20525944333 is 33344952502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16262115529 + 4263828804 = 127523^2 + 65298^2 .

It is a cyclic number.

It is not a de Polignac number, because 20525944333 - 2⁵ = 20525944301 is a prime.

It is a super-2 number, since 2×20525944333² (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 (20525944337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10262972166 + 10262972167.

It is an arithmetic number, because the mean of its divisors is an integer number (10262972167).

Almost surely, 2^20525944333 is an apocalyptic number.

It is an amenable number.

20525944333 is a deficient number, since it is larger than the sum of its proper divisors (1).

20525944333 is an equidigital number, since it uses as much as digits as its factorization.

20525944333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 20525944333 in words is "twenty billion, five hundred twenty-five million, nine hundred forty-four thousand, three hundred thirty-three".