20102020121002 has 48 divisors (see below), whose sum is σ = 31195168924680. Its totient is φ = 9713899069952.

The previous prime is 20102020120969. The next prime is 20102020121063. The reversal of 20102020121002 is 20012102020102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12727976681641 + 7374043439361 = 3567629^2 + 2715519^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 303912078 + ... + 303978214.

Almost surely, 2^{20102020121002} is an apocalyptic number.

20102020121002 is a deficient number, since it is larger than the sum of its proper divisors (11093148803678).

20102020121002 is an equidigital number, since it uses as much as digits as its factorization.

20102020121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67095 (or 67048 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102020121002 its reverse (20012102020102), we get a palindrome (40114122141104).

The spelling of 20102020121002 in words is "twenty trillion, one hundred two billion, twenty million, one hundred twenty-one thousand, two".