20525012051133 has 8 divisors (see below), whose sum is σ = 27367339476096. Its totient is φ = 13683012996800.

The previous prime is 20525012051123. The next prime is 20525012051179. The reversal of 20525012051133 is 33115021052502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20525012051133 - 2⁵ = 20525012051101 is a prime.

It is a super-2 number, since 2×20525012051133² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20525012051133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20525012051123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81946773 + ... + 82196858.

It is an arithmetic number, because the mean of its divisors is an integer number (3420917434512).

Almost surely, 2^{20525012051133} is an apocalyptic number.

It is an amenable number.

20525012051133 is a deficient number, since it is larger than the sum of its proper divisors (6842327424963).

20525012051133 is a wasteful number, since it uses less digits than its factorization.

20525012051133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164185315.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 20525012051133 in words is "twenty trillion, five hundred twenty-five billion, twelve million, fifty-one thousand, one hundred thirty-three".