2000031120 has 60 divisors (see below), whose sum is σ = 6716773596. Its totient is φ = 533341440.

The previous prime is 2000031119. The next prime is 2000031199. The reversal of 2000031120 is 211300002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 828748944 + 1171282176 = 28788^2 + 34224^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1388191 + ... + 1389630.

Almost surely, 2^2000031120 is an apocalyptic number.

2000031120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000031120 is an abundant number, since it is smaller than the sum of its proper divisors (4716742476).

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

2000031120 is a wasteful number, since it uses less digits than its factorization.

2000031120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777840 (or 2777831 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2000031120 is about 44721.7074808196. The cubic root of 2000031120 is about 1259.9275846515.

Adding to 2000031120 its reverse (211300002), we get a palindrome (2211331122).

The spelling of 2000031120 in words is "two billion, thirty-one thousand, one hundred twenty".