20020002312001 has 8 divisors (see below), whose sum is σ = 20147634723944. Its totient is φ = 19892371374720.

The previous prime is 20020002311999. The next prime is 20020002312029. The reversal of 20020002312001 is 10021320002002.

It can be written as a sum of positive squares in 4 ways, for example, as 7267418514225 + 12752583797776 = 2695815^2 + 3571076^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 20020002312001 - 2¹ = 20020002311999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020002312301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43300021 + ... + 43759933.

It is an arithmetic number, because the mean of its divisors is an integer number (2518454340493).

Almost surely, 2^{20020002312001} is an apocalyptic number.

It is an amenable number.

20020002312001 is a deficient number, since it is larger than the sum of its proper divisors (127632411943).

20020002312001 is a wasteful number, since it uses less digits than its factorization.

20020002312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737331.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20020002312001 its reverse (10021320002002), we get a palindrome (30041322314003).

The spelling of 20020002312001 in words is "twenty trillion, twenty billion, two million, three hundred twelve thousand, one".