20010021100202 has 16 divisors (see below), whose sum is σ = 34324159871232. Its totient is φ = 8570406689520.

The previous prime is 20010021100169. The next prime is 20010021100229. The reversal of 20010021100202 is 20200112001002.

It is a happy number.

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, 443029874 + ... + 443075037.

It is an arithmetic number, because the mean of its divisors is an integer number (2145259991952).

Almost surely, 2^{20010021100202} is an apocalyptic number.

20010021100202 is a deficient number, since it is larger than the sum of its proper divisors (14314138771030).

20010021100202 is a wasteful number, since it uses less digits than its factorization.

20010021100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886106533.

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

Adding to 20010021100202 its reverse (20200112001002), we get a palindrome (40210133101204).

The spelling of 20010021100202 in words is "twenty trillion, ten billion, twenty-one million, one hundred thousand, two hundred two".