20001202102 has 24 divisors (see below), whose sum is σ = 34906674600. Its totient is φ = 8570318400.

The previous prime is 20001202057. The next prime is 20001202127. The reversal of 20001202102 is 20120210002.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 601102 + ... + 633502.

It is an arithmetic number, because the mean of its divisors is an integer number (1454444775).

Almost surely, 2^20001202102 is an apocalyptic number.

20001202102 is a deficient number, since it is larger than the sum of its proper divisors (14905472498).

20001202102 is a wasteful number, since it uses less digits than its factorization.

20001202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38716 (or 38709 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20001202102 its reverse (20120210002), we get a palindrome (40121412104).

The spelling of 20001202102 in words is "twenty billion, one million, two hundred two thousand, one hundred two".