20200652445121 has 8 divisors (see below), whose sum is σ = 20581888708584. Its totient is φ = 19819419584640.

The previous prime is 20200652445059. The next prime is 20200652445139. The reversal of 20200652445121 is 12154425600202.

It can be written as a sum of positive squares in 4 ways, for example, as 1559751210000 + 18640901235121 = 1248900^2 + 4317511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20200652445121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200652445821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13349091 + ... + 14785111.

It is an arithmetic number, because the mean of its divisors is an integer number (2572736088573).

Almost surely, 2^{20200652445121} is an apocalyptic number.

It is an amenable number.

20200652445121 is a deficient number, since it is larger than the sum of its proper divisors (381236263463).

20200652445121 is a wasteful number, since it uses less digits than its factorization.

20200652445121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701491.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 20200652445121 in words is "twenty trillion, two hundred billion, six hundred fifty-two million, four hundred forty-five thousand, one hundred twenty-one".