21010200302 has 24 divisors (see below), whose sum is σ = 39480708456. Its totient is φ = 8311727088.

The previous prime is 21010200283. The next prime is 21010200317. The reversal of 21010200302 is 20300201012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8244488 + ... + 8247035.

It is an arithmetic number, because the mean of its divisors is an integer number (1645029519).

Almost surely, 2^21010200302 is an apocalyptic number.

21010200302 is a deficient number, since it is larger than the sum of its proper divisors (18470508154).

21010200302 is a wasteful number, since it uses less digits than its factorization.

21010200302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16491552 (or 16491545 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 21010200302 its reverse (20300201012), we get a palindrome (41310401314).

The spelling of 21010200302 in words is "twenty-one billion, ten million, two hundred thousand, three hundred two".