2011132020 has 48 divisors (see below), whose sum is σ = 5825352960. Its totient is φ = 517808256.

The previous prime is 2011131971. The next prime is 2011132033. The reversal of 2011132020 is 202311102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2011131987 and 2011132005.

It is a congruent number.

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, 576172 + ... + 579651.

It is an arithmetic number, because the mean of its divisors is an integer number (121361520).

Almost surely, 2^2011132020 is an apocalyptic number.

2011132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011132020 is an abundant number, since it is smaller than the sum of its proper divisors (3814220940).

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

2011132020 is a wasteful number, since it uses less digits than its factorization.

2011132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155864 (or 1155862 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2011132020 is about 44845.6466114605. The cubic root of 2011132020 is about 1262.2543039836.

Adding to 2011132020 its reverse (202311102), we get a palindrome (2213443122).

The spelling of 2011132020 in words is "two billion, eleven million, one hundred thirty-two thousand, twenty".