20100002010 has 64 divisors (see below), whose sum is σ = 53410973184. Its totient is φ = 4799995200.

The previous prime is 20100001997. The next prime is 20100002023. The reversal of 20100002010 is 1020000102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20100001997) and next prime (20100002023).

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20100002010.

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 31 ways as a sum of consecutive naturals, for example, 432436 + ... + 476655.

It is an arithmetic number, because the mean of its divisors is an integer number (834546456).

Almost surely, 2^20100002010 is an apocalyptic number.

20100002010 is an abundant number, since it is smaller than the sum of its proper divisors (33310971174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20100002010 is a wasteful number, since it uses less digits than its factorization.

20100002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909179.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20100002010 its reverse (1020000102), we get a palindrome (21120002112).

The spelling of 20100002010 in words is "twenty billion, one hundred million, two thousand, ten".