20001102202010 has 16 divisors (see below), whose sum is σ = 36264772170216. Its totient is φ = 7942043501568.

The previous prime is 20001102201967. The next prime is 20001102202019. The reversal of 20001102202010 is 1020220110002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19673012672329 + 328089529681 = 4435427^2 + 572791^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20001102201982 and 20001102202000.

It is not an unprimeable number, because it can be changed into a prime (20001102202019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7299670967 + ... + 7299673706.

Almost surely, 2^{20001102202010} is an apocalyptic number.

20001102202010 is a deficient number, since it is larger than the sum of its proper divisors (16263669968206).

20001102202010 is a wasteful number, since it uses less digits than its factorization.

20001102202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14599344817.

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

Adding to 20001102202010 its reverse (1020220110002), we get a palindrome (21021322312012).

The spelling of 20001102202010 in words is "twenty trillion, one billion, one hundred two million, two hundred two thousand, ten".