20011001100010 has 16 divisors (see below), whose sum is σ = 37261864117800. Its totient is φ = 7728386631616.

The previous prime is 20011001099993. The next prime is 20011001100029. The reversal of 20011001100010 is 1000110011002.

It can be written as a sum of positive squares in 4 ways, for example, as 11238807019489 + 8772194080521 = 3352433^2 + 2961789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20011001099966 and 20011001100002.

It is an unprimeable number.

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, 34501725745 + ... + 34501726324.

Almost surely, 2^{20011001100010} is an apocalyptic number.

20011001100010 is a deficient number, since it is larger than the sum of its proper divisors (17250863017790).

20011001100010 is a wasteful number, since it uses less digits than its factorization.

20011001100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69003452105.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 20011001100010 its reverse (1000110011002), we get a palindrome (21011111111012).

The spelling of 20011001100010 in words is "twenty trillion, eleven billion, one million, one hundred thousand, ten".