11660333020 has 96 divisors (see below), whose sum is σ = 28901376000. Its totient is φ = 3949468992.

The previous prime is 11660332967. The next prime is 11660333029. The reversal of 11660333020 is 2033306611.

It is a super-2 number, since 2×11660333020² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660333029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559141 + ... + 579619.

It is an arithmetic number, because the mean of its divisors is an integer number (301056000).

Almost surely, 2^11660333020 is an apocalyptic number.

11660333020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11660333020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14450688000).

11660333020 is an abundant number, since it is smaller than the sum of its proper divisors (17241042980).

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

11660333020 is a wasteful number, since it uses less digits than its factorization.

11660333020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20592 (or 20576 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 11660333020 its reverse (2033306611), we get a palindrome (13693639631).

The spelling of 11660333020 in words is "eleven billion, six hundred sixty million, three hundred thirty-three thousand, twenty".