2020421125 has 16 divisors (see below), whose sum is σ = 2602828800. Its totient is φ = 1564194000.

The previous prime is 2020421099. The next prime is 2020421147. The reversal of 2020421125 is 5211240202.

It is not a de Polignac number, because 2020421125 - 2¹⁷ = 2020290053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256825 + ... + 264574.

It is an arithmetic number, because the mean of its divisors is an integer number (162676800).

Almost surely, 2^2020421125 is an apocalyptic number.

2020421125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2020421125 is a deficient number, since it is larger than the sum of its proper divisors (582407675).

2020421125 is an equidigital number, since it uses as much as digits as its factorization.

2020421125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521445 (or 521435 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2020421125 is about 44949.0948184722. The cubic root of 2020421125 is about 1264.1947047995.

Adding to 2020421125 its reverse (5211240202), we get a palindrome (7231661327).

The spelling of 2020421125 in words is "two billion, twenty million, four hundred twenty-one thousand, one hundred twenty-five".