20331020010002 has 32 divisors (see below), whose sum is σ = 32895894379824. Its totient is φ = 9368270438400.

The previous prime is 20331020009999. The next prime is 20331020010013. The reversal of 20331020010002 is 20001002013302.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2853528399121 + 17477491610881 = 1689239^2 + 4180609^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317238602 + ... + 317302682.

Almost surely, 2^{20331020010002} is an apocalyptic number.

20331020010002 is a deficient number, since it is larger than the sum of its proper divisors (12564874369822).

20331020010002 is a wasteful number, since it uses less digits than its factorization.

20331020010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83774.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20331020010002 its reverse (20001002013302), we get a palindrome (40332022023304).

The spelling of 20331020010002 in words is "twenty trillion, three hundred thirty-one billion, twenty million, ten thousand, two".