2020302444121 has 4 divisors (see below), whose sum is σ = 2175710324452. Its totient is φ = 1864894563792.

The previous prime is 2020302444089. The next prime is 2020302444143. The reversal of 2020302444121 is 1214442030202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219904723600 + 1800397720521 = 468940^2 + 1341789^2 .

It is not a de Polignac number, because 2020302444121 - 2⁵ = 2020302444089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020302444151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77703940146 + ... + 77703940171.

It is an arithmetic number, because the mean of its divisors is an integer number (543927581113).

Almost surely, 2^{2020302444121} is an apocalyptic number.

It is an amenable number.

2020302444121 is a deficient number, since it is larger than the sum of its proper divisors (155407880331).

2020302444121 is a wasteful number, since it uses less digits than its factorization.

2020302444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155407880330.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2020302444121 its reverse (1214442030202), we get a palindrome (3234744474323).

The spelling of 2020302444121 in words is "two trillion, twenty billion, three hundred two million, four hundred forty-four thousand, one hundred twenty-one".