20100021202010 has 16 divisors (see below), whose sum is σ = 37347136169472. Its totient is φ = 7780653368400.

The previous prime is 20100021202007. The next prime is 20100021202043. The reversal of 20100021202010 is 1020212000102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20100021201982 and 20100021202000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32419388726 + ... + 32419389345.

It is an arithmetic number, because the mean of its divisors is an integer number (2334196010592).

Almost surely, 2^{20100021202010} is an apocalyptic number.

20100021202010 is a deficient number, since it is larger than the sum of its proper divisors (17247114967462).

20100021202010 is a wasteful number, since it uses less digits than its factorization.

20100021202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64838778109.

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

Adding to 20100021202010 its reverse (1020212000102), we get a palindrome (21120233202112).

The spelling of 20100021202010 in words is "twenty trillion, one hundred billion, twenty-one million, two hundred two thousand, ten".