20202044334121 has 16 divisors (see below), whose sum is σ = 22116552764544. Its totient is φ = 18339938838144.

The previous prime is 20202044334079. The next prime is 20202044334127. The reversal of 20202044334121 is 12143344020202.

It is a cyclic number.

It is not a de Polignac number, because 20202044334121 - 2¹³ = 20202044325929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20202044334121.

It is not an unprimeable number, because it can be changed into a prime (20202044334127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18258445 + ... + 19333258.

It is an arithmetic number, because the mean of its divisors is an integer number (1382284547784).

Almost surely, 2^{20202044334121} is an apocalyptic number.

It is an amenable number.

20202044334121 is a deficient number, since it is larger than the sum of its proper divisors (1914508430423).

20202044334121 is a wasteful number, since it uses less digits than its factorization.

20202044334121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37592400.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20202044334121 its reverse (12143344020202), we get a palindrome (32345388354323).

The spelling of 20202044334121 in words is "twenty trillion, two hundred two billion, forty-four million, three hundred thirty-four thousand, one hundred twenty-one".