2020155204 has 12 divisors (see below), whose sum is σ = 4713695504. Its totient is φ = 673385064.

The previous prime is 2020155199. The next prime is 2020155211. The reversal of 2020155204 is 4025510202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84173122 + ... + 84173145.

Almost surely, 2^2020155204 is an apocalyptic number.

It is an amenable number.

2020155204 is an abundant number, since it is smaller than the sum of its proper divisors (2693540300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020155204 is a wasteful number, since it uses less digits than its factorization.

2020155204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168346274 (or 168346272 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2020155204 is about 44946.1366971623. The cubic root of 2020155204 is about 1264.1392393546.

Adding to 2020155204 its reverse (4025510202), we get a palindrome (6045665406).

The spelling of 2020155204 in words is "two billion, twenty million, one hundred fifty-five thousand, two hundred four".