2020043121 has 64 divisors (see below), whose sum is σ = 3011712000. Its totient is φ = 1199681280.

The previous prime is 2020043117. The next prime is 2020043131. The reversal of 2020043121 is 1213400202.

It is not a de Polignac number, because 2020043121 - 2² = 2020043117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020043121.

It is not an unprimeable number, because it can be changed into a prime (2020043131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8821035 + ... + 8821263.

It is an arithmetic number, because the mean of its divisors is an integer number (47058000).

Almost surely, 2^2020043121 is an apocalyptic number.

It is an amenable number.

2020043121 is a deficient number, since it is larger than the sum of its proper divisors (991668879).

2020043121 is a wasteful number, since it uses less digits than its factorization.

2020043121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2020043121 is about 44944.8898207572. The cubic root of 2020043121 is about 1264.1158597749.

Adding to 2020043121 its reverse (1213400202), we get a palindrome (3233443323).

The spelling of 2020043121 in words is "two billion, twenty million, forty-three thousand, one hundred twenty-one".