20102002012 has 12 divisors (see below), whose sum is σ = 36036516096. Its totient is φ = 9805854560.

The previous prime is 20102002003. The next prime is 20102002079. The reversal of 20102002012 is 21020020102.

It is a self number, because there is not a number n which added to its sum of digits gives 20102002012.

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, 61286428 + ... + 61286755.

It is an arithmetic number, because the mean of its divisors is an integer number (3003043008).

Almost surely, 2^20102002012 is an apocalyptic number.

It is an amenable number.

20102002012 is a deficient number, since it is larger than the sum of its proper divisors (15934514084).

20102002012 is a wasteful number, since it uses less digits than its factorization.

20102002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122573228 (or 122573226 counting only the distinct ones).

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

Adding to 20102002012 its reverse (21020020102), we get a palindrome (41122022114).

The spelling of 20102002012 in words is "twenty billion, one hundred two million, two thousand, twelve".