20102100220010 has 32 divisors (see below), whose sum is σ = 38321455732560. Its totient is φ = 7566028721152.

The previous prime is 20102100219967. The next prime is 20102100220021. The reversal of 20102100220010 is 1002200120102.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 9359812103161 + 10742288116849 = 3059381^2 + 3277543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20102100219973 and 20102100220000.

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 15 ways as a sum of consecutive naturals, for example, 13516025 + ... + 14929404.

Almost surely, 2^{20102100220010} is an apocalyptic number.

20102100220010 is a deficient number, since it is larger than the sum of its proper divisors (18219355512550).

20102100220010 is a wasteful number, since it uses less digits than its factorization.

20102100220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28449610.

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

Adding to 20102100220010 its reverse (1002200120102), we get a palindrome (21104300340112).

The spelling of 20102100220010 in words is "twenty trillion, one hundred two billion, one hundred million, two hundred twenty thousand, ten".