2005310120 has 64 divisors (see below), whose sum is σ = 5015053440. Its totient is φ = 715436800.

The previous prime is 2005310119. The next prime is 2005310137. The reversal of 2005310120 is 210135002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2005310095 and 2005310104.

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, 19676 + ... + 66315.

It is an arithmetic number, because the mean of its divisors is an integer number (78360210).

Almost surely, 2^2005310120 is an apocalyptic number.

2005310120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005310120 is an abundant number, since it is smaller than the sum of its proper divisors (3009743320).

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

2005310120 is a wasteful number, since it uses less digits than its factorization.

2005310120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86066 (or 86062 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2005310120 is about 44780.6891416378. The cubic root of 2005310120 is about 1261.0351198292.

Adding to 2005310120 its reverse (210135002), we get a palindrome (2215445122).

The spelling of 2005310120 in words is "two billion, five million, three hundred ten thousand, one hundred twenty".