20331321000133 has 12 divisors (see below), whose sum is σ = 24016988122848. Its totient is φ = 17061248390160.

The previous prime is 20331321000113. The next prime is 20331321000139. The reversal of 20331321000133 is 33100012313302.

It is not a de Polignac number, because 20331321000133 - 2⁹ = 20331320999621 is a prime.

It is a super-2 number, since 2×20331321000133² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331321000139) 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 11 ways as a sum of consecutive naturals, for example, 5468346985 + ... + 5468350702.

It is an arithmetic number, because the mean of its divisors is an integer number (2001415676904).

Almost surely, 2^{20331321000133} is an apocalyptic number.

It is an amenable number.

20331321000133 is a deficient number, since it is larger than the sum of its proper divisors (3685667122715).

20331321000133 is a wasteful number, since it uses less digits than its factorization.

20331321000133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10936697724 (or 10936697711 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 20331321000133 its reverse (33100012313302), we get a palindrome (53431333313435).

The spelling of 20331321000133 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-one million, one hundred thirty-three", and thus it is an aban number.