2020451121 has 80 divisors (see below), whose sum is σ = 3330864768. Its totient is φ = 1213056000.

The previous prime is 2020451117. The next prime is 2020451131. The reversal of 2020451121 is 1211540202.

2020451121 is a `hidden beast` number, since 202 + 0 + 451 + 12 + 1 = 666.

2020451121 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2020451121 - 2² = 2020451117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020451094 and 2020451103.

It is not an unprimeable number, because it can be changed into a prime (2020451131) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13380396 + ... + 13380546.

Almost surely, 2^2020451121 is an apocalyptic number.

It is an amenable number.

2020451121 is a deficient number, since it is larger than the sum of its proper divisors (1310413647).

2020451121 is a wasteful number, since it uses less digits than its factorization.

2020451121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2020451121 is about 44949.4284835747. The cubic root of 2020451121 is about 1264.2009610194.

Adding to 2020451121 its reverse (1211540202), we get a palindrome (3231991323).

The spelling of 2020451121 in words is "two billion, twenty million, four hundred fifty-one thousand, one hundred twenty-one".