2120312323320 has 128 divisors (see below), whose sum is σ = 6631140833280. Its totient is φ = 541759680000.

The previous prime is 2120312323277. The next prime is 2120312323343. The reversal of 2120312323320 is 233232130212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 2445946 + ... + 3197385.

It is an arithmetic number, because the mean of its divisors is an integer number (51805787760).

Almost surely, 2^{2120312323320} is an apocalyptic number.

2120312323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120312323320 is an abundant number, since it is smaller than the sum of its proper divisors (4510828509960).

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

2120312323320 is a wasteful number, since it uses less digits than its factorization.

2120312323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643477 (or 5643473 counting only the distinct ones).

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

Adding to 2120312323320 its reverse (233232130212), we get a palindrome (2353544453532).

The spelling of 2120312323320 in words is "two trillion, one hundred twenty billion, three hundred twelve million, three hundred twenty-three thousand, three hundred twenty".