2005150720 has 44 divisors (see below), whose sum is σ = 4810024224. Its totient is φ = 802058240.

The previous prime is 2005150709. The next prime is 2005150733. The reversal of 2005150720 is 270515002.

It is a junction number, because it is equal to n+sod(n) for n = 2005150691 and 2005150700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190696 + ... + 200935.

Almost surely, 2^2005150720 is an apocalyptic number.

2005150720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005150720 is an abundant number, since it is smaller than the sum of its proper divisors (2804873504).

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

2005150720 is an equidigital number, since it uses as much as digits as its factorization.

2005150720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391656 (or 391638 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 2005150720 is about 44778.9093212418. The cubic root of 2005150720 is about 1261.0017061572.

Adding to 2005150720 its reverse (270515002), we get a palindrome (2275665722).

The spelling of 2005150720 in words is "two billion, five million, one hundred fifty thousand, seven hundred twenty".