10200001002 has 16 divisors (see below), whose sum is σ = 21473686560. Its totient is φ = 3221052912.

The previous prime is 10200001001. The next prime is 10200001039. The reversal of 10200001002 is 20010000201.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (10200001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44736733 + ... + 44736960.

It is an arithmetic number, because the mean of its divisors is an integer number (1342105410).

Almost surely, 2^10200001002 is an apocalyptic number.

10200001002 is an abundant number, since it is smaller than the sum of its proper divisors (11273685558).

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

10200001002 is a wasteful number, since it uses less digits than its factorization.

10200001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89473717.

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

Adding to 10200001002 its reverse (20010000201), we get a palindrome (30210001203).

The spelling of 10200001002 in words is "ten billion, two hundred million, one thousand, two".