2020125021 has 8 divisors (see below), whose sum is σ = 2693789280. Its totient is φ = 1346605392.

The previous prime is 2020124999. The next prime is 2020125031. The reversal of 2020125021 is 1205210202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020125021 - 2⁵ = 2020124989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020125031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271 + ... + 63603.

It is an arithmetic number, because the mean of its divisors is an integer number (336723660).

Almost surely, 2^2020125021 is an apocalyptic number.

It is an amenable number.

2020125021 is a deficient number, since it is larger than the sum of its proper divisors (673664259).

2020125021 is a wasteful number, since it uses less digits than its factorization.

2020125021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72315.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2020125021 is about 44945.8009273391. The cubic root of 2020125021 is about 1264.1329435174.

Adding to 2020125021 its reverse (1205210202), we get a palindrome (3225335223).

The spelling of 2020125021 in words is "two billion, twenty million, one hundred twenty-five thousand, twenty-one".