11940005790020 has 96 divisors (see below), whose sum is σ = 31265076729600. Its totient is φ = 3721087549440.

The previous prime is 11940005789981. The next prime is 11940005790127. The reversal of 11940005790020 is 2009750004911.

It is a super-2 number, since 2×11940005790020² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11734556 + ... + 12711404.

It is an arithmetic number, because the mean of its divisors is an integer number (325677882600).

Almost surely, 2^{11940005790020} is an apocalyptic number.

11940005790020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11940005790020 is an abundant number, since it is smaller than the sum of its proper divisors (19325070939580).

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

11940005790020 is a wasteful number, since it uses less digits than its factorization.

11940005790020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984813 (or 984811 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

Adding to 11940005790020 its reverse (2009750004911), we get a palindrome (13949755794931).

The spelling of 11940005790020 in words is "eleven trillion, nine hundred forty billion, five million, seven hundred ninety thousand, twenty".