2120308253244 has 36 divisors (see below), whose sum is σ = 5362826558544. Its totient is φ = 706352915712.

The previous prime is 2120308253243. The next prime is 2120308253263. The reversal of 2120308253244 is 4423528030212.

2120308253244 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 3 + 0 + 82 + 532 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 2120308253199 and 2120308253208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120308253243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17292312 + ... + 17414495.

It is an arithmetic number, because the mean of its divisors is an integer number (148967404404).

Almost surely, 2^{2120308253244} is an apocalyptic number.

It is an amenable number.

2120308253244 is an abundant number, since it is smaller than the sum of its proper divisors (3242518305300).

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

2120308253244 is a wasteful number, since it uses less digits than its factorization.

2120308253244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34708514 (or 34708509 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 2120308253244 in words is "two trillion, one hundred twenty billion, three hundred eight million, two hundred fifty-three thousand, two hundred forty-four".