20331000326057 has 8 divisors (see below), whose sum is σ = 20425823589600. Its totient is φ = 20236241727520.

The previous prime is 20331000326047. The next prime is 20331000326173. The reversal of 20331000326057 is 75062300013302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20331000326057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20331000326047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15535919 + ... + 16793652.

It is an arithmetic number, because the mean of its divisors is an integer number (2553227948700).

Almost surely, 2^{20331000326057} is an apocalyptic number.

It is an amenable number.

20331000326057 is a deficient number, since it is larger than the sum of its proper divisors (94823263543).

20331000326057 is a wasteful number, since it uses less digits than its factorization.

20331000326057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32332503.

The product of its (nonzero) digits is 22680, while the sum is 32.

Adding to 20331000326057 its reverse (75062300013302), we get a palindrome (95393300339359).

The spelling of 20331000326057 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-six thousand, fifty-seven".