11920827342320 has 80 divisors (see below), whose sum is σ = 29958877196640. Its totient is φ = 4385173558272.

The previous prime is 11920827342299. The next prime is 11920827342331. The reversal of 11920827342320 is 2324372802911.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×11920827342320² (a number of 27 digits) contains 22 as substring.

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, 21025694 + ... + 21585213.

It is an arithmetic number, because the mean of its divisors is an integer number (374485964958).

Almost surely, 2^{11920827342320} is an apocalyptic number.

11920827342320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11920827342320 is an abundant number, since it is smaller than the sum of its proper divisors (18038049854320).

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

11920827342320 is a wasteful number, since it uses less digits than its factorization.

11920827342320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42611202 (or 42611196 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 11920827342320 in words is "eleven trillion, nine hundred twenty billion, eight hundred twenty-seven million, three hundred forty-two thousand, three hundred twenty".