2011325620 has 48 divisors (see below), whose sum is σ = 4490640000. Its totient is φ = 755021696.

The previous prime is 2011325609. The next prime is 2011325627. The reversal of 2011325620 is 265231102.

It is a junction number, because it is equal to n+sod(n) for n = 2011325591 and 2011325600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011325627) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 16870 + ... + 65629.

It is an arithmetic number, because the mean of its divisors is an integer number (93555000).

Almost surely, 2^2011325620 is an apocalyptic number.

2011325620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011325620 is an abundant number, since it is smaller than the sum of its proper divisors (2479314380).

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

2011325620 is a wasteful number, since it uses less digits than its factorization.

2011325620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82584 (or 82582 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2011325620 is about 44847.8050744961. The cubic root of 2011325620 is about 1262.2948059811.

Adding to 2011325620 its reverse (265231102), we get a palindrome (2276556722).

The spelling of 2011325620 in words is "two billion, eleven million, three hundred twenty-five thousand, six hundred twenty".