20020168501837 has 24 divisors (see below), whose sum is σ = 23114785664256. Its totient is φ = 16985966491296.

The previous prime is 20020168501829. The next prime is 20020168501843. The reversal of 20020168501837 is 73810586102002.

It is not a de Polignac number, because 20020168501837 - 2³ = 20020168501829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020168501793 and 20020168501802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020168501847) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 169780543 + ... + 169898419.

It is an arithmetic number, because the mean of its divisors is an integer number (963116069344).

Almost surely, 2^{20020168501837} is an apocalyptic number.

It is an amenable number.

20020168501837 is a deficient number, since it is larger than the sum of its proper divisors (3094617162419).

20020168501837 is a wasteful number, since it uses less digits than its factorization.

20020168501837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120377 (or 120274 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 20020168501837 in words is "twenty trillion, twenty billion, one hundred sixty-eight million, five hundred one thousand, eight hundred thirty-seven".