2020201621115 has 16 divisors (see below), whose sum is σ = 2425521915648. Its totient is φ = 1615308226656.

The previous prime is 2020201621079. The next prime is 2020201621117. The reversal of 2020201621115 is 5111261020202.

It is a cyclic number.

It is not a de Polignac number, because 2020201621115 - 2⁶ = 2020201621051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020201621117) 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, 94910264 + ... + 94931546.

It is an arithmetic number, because the mean of its divisors is an integer number (151595119728).

Almost surely, 2^{2020201621115} is an apocalyptic number.

2020201621115 is a deficient number, since it is larger than the sum of its proper divisors (405320294533).

2020201621115 is a wasteful number, since it uses less digits than its factorization.

2020201621115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30418.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 2020201621115 its reverse (5111261020202), we get a palindrome (7131462641317).

The spelling of 2020201621115 in words is "two trillion, twenty billion, two hundred one million, six hundred twenty-one thousand, one hundred fifteen".