20351588873088 has 64 divisors (see below), whose sum is σ = 58973354133120. Its totient is φ = 6167148142080.

The previous prime is 20351588873047. The next prime is 20351588873131. The reversal of 20351588873088 is 88037888515302.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409038020 + ... + 2409046467.

It is an arithmetic number, because the mean of its divisors is an integer number (921458658330).

Almost surely, 2^{20351588873088} is an apocalyptic number.

It is an amenable number.

20351588873088 is an abundant number, since it is smaller than the sum of its proper divisors (38621765260032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20351588873088 is a wasteful number, since it uses less digits than its factorization.

20351588873088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818084515 (or 4818084503 counting only the distinct ones).

The product of its (nonzero) digits is 103219200, while the sum is 66.

The spelling of 20351588873088 in words is "twenty trillion, three hundred fifty-one billion, five hundred eighty-eight million, eight hundred seventy-three thousand, eighty-eight".