2055015020 has 24 divisors (see below), whose sum is σ = 4329601584. Its totient is φ = 819326016.

The previous prime is 2055015019. The next prime is 2055015037. The reversal of 2055015020 is 205105502.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2055014983 and 2055015001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161207 + ... + 173486.

It is an arithmetic number, because the mean of its divisors is an integer number (180400066).

Almost surely, 2^2055015020 is an apocalyptic number.

2055015020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055015020 is an abundant number, since it is smaller than the sum of its proper divisors (2274586564).

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

2055015020 is a wasteful number, since it uses less digits than its factorization.

2055015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335009 (or 335007 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 2055015020 is about 45332.2734925130. The cubic root of 2055015020 is about 1271.3691436505.

The spelling of 2055015020 in words is "two billion, fifty-five million, fifteen thousand, twenty".