20536889373 has 192 divisors, whose sum is σ = 40929767424. Its totient is φ = 9580032000.

The previous prime is 20536889369. The next prime is 20536889377. The reversal of 20536889373 is 37398863502.

20536889373 is a `hidden beast` number, since 20 + 536 + 8 + 89 + 3 + 7 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (20536889369) and next prime (20536889377).

It is not a de Polignac number, because 20536889373 - 2² = 20536889369 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20536889377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 62044818 + ... + 62045148.

It is an arithmetic number, because the mean of its divisors is an integer number (213175872).

Almost surely, 2^20536889373 is an apocalyptic number.

It is an amenable number.

20536889373 is a deficient number, since it is larger than the sum of its proper divisors (20392878051).

20536889373 is a wasteful number, since it uses less digits than its factorization.

20536889373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

It can be divided in two parts, 20536 and 889373, that added together give a palindrome (909909).

The spelling of 20536889373 in words is "twenty billion, five hundred thirty-six million, eight hundred eighty-nine thousand, three hundred seventy-three".