20550533045031 has 12 divisors (see below), whose sum is σ = 32382658131720. Its totient is φ = 12454868512080.

The previous prime is 20550533045027. The next prime is 20550533045047. The reversal of 20550533045031 is 13054033505502.

20550533045031 is a `hidden beast` number, since 2 + 0 + 5 + 50 + 533 + 0 + 45 + 0 + 31 = 666.

It is not a de Polignac number, because 20550533045031 - 2² = 20550533045027 is a prime.

It is a super-2 number, since 2×20550533045031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20550533045071) 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 11 ways as a sum of consecutive naturals, for example, 103790570836 + ... + 103790571033.

It is an arithmetic number, because the mean of its divisors is an integer number (2698554844310).

Almost surely, 2^{20550533045031} is an apocalyptic number.

20550533045031 is a deficient number, since it is larger than the sum of its proper divisors (11832125086689).

20550533045031 is a wasteful number, since it uses less digits than its factorization.

20550533045031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207581141886 (or 207581141883 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The spelling of 20550533045031 in words is "twenty trillion, five hundred fifty billion, five hundred thirty-three million, forty-five thousand, thirty-one".