2320155420660 has 144 divisors (see below), whose sum is σ = 8774406006912. Its totient is φ = 482110214400.

The previous prime is 2320155420643. The next prime is 2320155420679. The reversal of 2320155420660 is 660245510232.

2320155420660 is a `hidden beast` number, since 2 + 3 + 20 + 1 + 554 + 20 + 6 + 60 = 666.

It is a super-3 number, since 3×2320155420660³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83685831 + ... + 83713550.

It is an arithmetic number, because the mean of its divisors is an integer number (60933375048).

Almost surely, 2^{2320155420660} is an apocalyptic number.

2320155420660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320155420660 is an abundant number, since it is smaller than the sum of its proper divisors (6454250586252).

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

2320155420660 is a wasteful number, since it uses less digits than its factorization.

2320155420660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167399414 (or 167399409 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 2320155420660 in words is "two trillion, three hundred twenty billion, one hundred fifty-five million, four hundred twenty thousand, six hundred sixty".