20351588873103 has 24 divisors (see below), whose sum is σ = 29756634201840. Its totient is φ = 13401683487360.

The previous prime is 20351588873047. The next prime is 20351588873131. The reversal of 20351588873103 is 30137888515302.

20351588873103 is a `hidden beast` number, since 2 + 0 + 3 + 51 + 588 + 8 + 7 + 3 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 20351588873103 - 2¹⁸ = 20351588610959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20351588873103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20351588873303) 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 23 ways as a sum of consecutive naturals, for example, 1275993 + ... + 6506253.

It is an arithmetic number, because the mean of its divisors is an integer number (1239859758410).

Almost surely, 2^{20351588873103} is an apocalyptic number.

20351588873103 is a deficient number, since it is larger than the sum of its proper divisors (9405045328737).

20351588873103 is a wasteful number, since it uses less digits than its factorization.

20351588873103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235559 (or 5235556 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 20351588873103 in words is "twenty trillion, three hundred fifty-one billion, five hundred eighty-eight million, eight hundred seventy-three thousand, one hundred three".