20102012102 has 8 divisors (see below), whose sum is σ = 30647330112. Its totient is φ = 9886235400.

The previous prime is 20102012089. The next prime is 20102012129. The reversal of 20102012102 is 20121020102.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 82385174 + ... + 82385417.

It is an arithmetic number, because the mean of its divisors is an integer number (3830916264).

Almost surely, 2^20102012102 is an apocalyptic number.

20102012102 is a deficient number, since it is larger than the sum of its proper divisors (10545318010).

20102012102 is a wasteful number, since it uses less digits than its factorization.

20102012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164770654.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20102012102 its reverse (20121020102), we get a palindrome (40223032204).

The spelling of 20102012102 in words is "twenty billion, one hundred two million, twelve thousand, one hundred two".