2011323343020 has 48 divisors (see below), whose sum is σ = 5724028409568. Its totient is φ = 527560220160.

The previous prime is 2011323342971. The next prime is 2011323343049. The reversal of 2011323343020 is 203433231102.

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, 274767289 + ... + 274774608.

It is an arithmetic number, because the mean of its divisors is an integer number (119250591866).

Almost surely, 2^{2011323343020} is an apocalyptic number.

2011323343020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011323343020 is an abundant number, since it is smaller than the sum of its proper divisors (3712705066548).

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

2011323343020 is a wasteful number, since it uses less digits than its factorization.

2011323343020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549541970 (or 549541968 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2011323343020 its reverse (203433231102), we get a palindrome (2214756574122).

The spelling of 2011323343020 in words is "two trillion, eleven billion, three hundred twenty-three million, three hundred forty-three thousand, twenty".