20003320031201 has 16 divisors (see below), whose sum is σ = 21696651626496. Its totient is φ = 18332520232896.

The previous prime is 20003320031143. The next prime is 20003320031207. The reversal of 20003320031201 is 10213002330002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003320031201 is a prime.

It is a super-2 number, since 2×20003320031201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20003320031201.

It is not an unprimeable number, because it can be changed into a prime (20003320031207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8168105 + ... + 10330758.

It is an arithmetic number, because the mean of its divisors is an integer number (1356040726656).

Almost surely, 2^{20003320031201} is an apocalyptic number.

It is an amenable number.

20003320031201 is a deficient number, since it is larger than the sum of its proper divisors (1693331595295).

20003320031201 is a wasteful number, since it uses less digits than its factorization.

20003320031201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18499472.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20003320031201 its reverse (10213002330002), we get a palindrome (30216322361203).

The spelling of 20003320031201 in words is "twenty trillion, three billion, three hundred twenty million, thirty-one thousand, two hundred one".