2020005121 has 16 divisors (see below), whose sum is σ = 2259115200. Its totient is φ = 1797743808.

The previous prime is 2020005089. The next prime is 2020005157. The reversal of 2020005121 is 1215000202.

It is a cyclic number.

It is not a de Polignac number, because 2020005121 - 2⁵ = 2020005089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020005181) 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, 29155 + ... + 69928.

It is an arithmetic number, because the mean of its divisors is an integer number (141194700).

Almost surely, 2^2020005121 is an apocalyptic number.

It is an amenable number.

2020005121 is a deficient number, since it is larger than the sum of its proper divisors (239110079).

2020005121 is a wasteful number, since it uses less digits than its factorization.

2020005121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99168.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 2020005121 is about 44944.4670788296. The cubic root of 2020005121 is about 1264.1079330952.

Adding to 2020005121 its reverse (1215000202), we get a palindrome (3235005323).

The spelling of 2020005121 in words is "two billion, twenty million, five thousand, one hundred twenty-one".