20331321000202 has 16 divisors (see below), whose sum is σ = 30588088897800. Its totient is φ = 10135298460672.

The previous prime is 20331321000197. The next prime is 20331321000217. The reversal of 20331321000202 is 20200012313302.

It can be written as a sum of positive squares in 4 ways, for example, as 9865183710321 + 10466137289881 = 3140889^2 + 3235141^2 .

It is a super-2 number, since 2×20331321000202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20331321000202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977658 + ... + 7515610.

Almost surely, 2^{20331321000202} is an apocalyptic number.

20331321000202 is a deficient number, since it is larger than the sum of its proper divisors (10256767897598).

20331321000202 is a wasteful number, since it uses less digits than its factorization.

20331321000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3546537.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20331321000202 its reverse (20200012313302), we get a palindrome (40531333313504).

The spelling of 20331321000202 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty-one million, two hundred two", and thus it is an aban number.