20333653545213 has 6 divisors (see below), whose sum is σ = 29370832898654. Its totient is φ = 13555769030136.

The previous prime is 20333653545211. The next prime is 20333653545217. The reversal of 20333653545213 is 31254535633302.

20333653545213 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 36 + 53 + 545 + 21 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20333218322169 + 435223044 = 4509237^2 + 20862^2 .

It is not a de Polignac number, because 20333653545213 - 2¹ = 20333653545211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20333653545211) 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 5 ways as a sum of consecutive naturals, for example, 1129647419170 + ... + 1129647419187.

Almost surely, 2^{20333653545213} is an apocalyptic number.

It is an amenable number.

20333653545213 is a deficient number, since it is larger than the sum of its proper divisors (9037179353441).

20333653545213 is a wasteful number, since it uses less digits than its factorization.

20333653545213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259294838363 (or 2259294838360 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 45.

The spelling of 20333653545213 in words is "twenty trillion, three hundred thirty-three billion, six hundred fifty-three million, five hundred forty-five thousand, two hundred thirteen".