20550233752533 has 12 divisors (see below), whose sum is σ = 29684067949120. Its totient is φ = 13699972616616.

The previous prime is 20550233752501. The next prime is 20550233752549. The reversal of 20550233752533 is 33525733205502.

20550233752533 is a `hidden beast` number, since 2 + 0 + 5 + 5 + 0 + 23 + 375 + 253 + 3 = 666.

It is not a de Polignac number, because 20550233752533 - 2⁵ = 20550233752501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550233752933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14556091 + ... + 15905352.

Almost surely, 2^{20550233752533} is an apocalyptic number.

It is an amenable number.

20550233752533 is a deficient number, since it is larger than the sum of its proper divisors (9133834196587).

20550233752533 is a wasteful number, since it uses less digits than its factorization.

20550233752533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30536408 (or 30536405 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 45.

The spelling of 20550233752533 in words is "twenty trillion, five hundred fifty billion, two hundred thirty-three million, seven hundred fifty-two thousand, five hundred thirty-three".