20204200202102 has 16 divisors (see below), whose sum is σ = 34728629080992. Its totient is φ = 8635728617280.

The previous prime is 20204200202071. The next prime is 20204200202129. The reversal of 20204200202102 is 20120200240202.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1934521799 + ... + 1934532242.

It is an arithmetic number, because the mean of its divisors is an integer number (2170539317562).

Almost surely, 2^{20204200202102} is an apocalyptic number.

20204200202102 is a deficient number, since it is larger than the sum of its proper divisors (14524428878890).

20204200202102 is a wasteful number, since it uses less digits than its factorization.

20204200202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869054423.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20204200202102 its reverse (20120200240202), we get a palindrome (40324400442304).

The spelling of 20204200202102 in words is "twenty trillion, two hundred four billion, two hundred million, two hundred two thousand, one hundred two".