20539882263 has 16 divisors (see below), whose sum is σ = 27727297920. Its totient is φ = 13522989984.

The previous prime is 20539882219. The next prime is 20539882277. The reversal of 20539882263 is 36228893502.

It is not a de Polignac number, because 20539882263 - 2⁸ = 20539882007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20539882213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683233 + ... + 712661.

It is an arithmetic number, because the mean of its divisors is an integer number (1732956120).

Almost surely, 2^20539882263 is an apocalyptic number.

20539882263 is a deficient number, since it is larger than the sum of its proper divisors (7187415657).

20539882263 is a wasteful number, since it uses less digits than its factorization.

20539882263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32318.

The product of its (nonzero) digits is 1244160, while the sum is 48.

It can be divided in two parts, 205398 and 82263, that added together give a triangular number (287661 = T₇₅₈).

The spelling of 20539882263 in words is "twenty billion, five hundred thirty-nine million, eight hundred eighty-two thousand, two hundred sixty-three".