2120031040 has 56 divisors (see below), whose sum is σ = 5055059232. Its totient is φ = 846881280.

The previous prime is 2120031029. The next prime is 2120031047. The reversal of 2120031040 is 401300212.

2120031040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2120031040² = 8989063221126963200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2120031040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120031047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260635 + ... + 268645.

Almost surely, 2^2120031040 is an apocalyptic number.

2120031040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120031040 is an abundant number, since it is smaller than the sum of its proper divisors (2935028192).

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

2120031040 is an equidigital number, since it uses as much as digits as its factorization.

2120031040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855 (or 8845 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2120031040 is about 46043.7948045119. The cubic root of 2120031040 is about 1284.6379273307.

Adding to 2120031040 its reverse (401300212), we get a palindrome (2521331252).

The spelling of 2120031040 in words is "two billion, one hundred twenty million, thirty-one thousand, forty".