20204200202101 has 16 divisors (see below), whose sum is σ = 20594854836864. Its totient is φ = 19817296902144.

The previous prime is 20204200202071. The next prime is 20204200202129. The reversal of 20204200202101 is 10120200240202.

It is a cyclic number.

It is not a de Polignac number, because 20204200202101 - 2⁷ = 20204200201973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204200202141) by changing a digit.

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, 143112990 + ... + 143254096.

It is an arithmetic number, because the mean of its divisors is an integer number (1287178427304).

Almost surely, 2^{20204200202101} is an apocalyptic number.

It is an amenable number.

20204200202101 is a deficient number, since it is larger than the sum of its proper divisors (390654634763).

20204200202101 is a wasteful number, since it uses less digits than its factorization.

20204200202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154380.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20204200202101 its reverse (10120200240202), we get a palindrome (30324400442303).

The spelling of 20204200202101 in words is "twenty trillion, two hundred four billion, two hundred million, two hundred two thousand, one hundred one".