20002101002 has 48 divisors (see below), whose sum is σ = 34933582152. Its totient is φ = 8532380160.

The previous prime is 20002100981. The next prime is 20002101017. The reversal of 20002101002 is 20010120002.

It can be written as a sum of positive squares in 4 ways, for example, as 11195967721 + 8806133281 = 105811^2 + 93841^2 .

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 358838 + ... + 410814.

Almost surely, 2^20002101002 is an apocalyptic number.

20002101002 is a deficient number, since it is larger than the sum of its proper divisors (14931481150).

20002101002 is a wasteful number, since it uses less digits than its factorization.

20002101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52071 (or 52052 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20002101002 its reverse (20010120002), we get a palindrome (40012221004).

The spelling of 20002101002 in words is "twenty billion, two million, one hundred one thousand, two".