2120326225956 has 27 divisors (see below), whose sum is σ = 5359735600401. Its totient is φ = 706772496384.

The previous prime is 2120326225903. The next prime is 2120326225957. The reversal of 2120326225956 is 6595226230212.

The square root of 2120326225956 is 1456134.

It is a perfect power (a square), and thus also a powerful number.

2120326225956 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 32 + 6 + 22 + 595 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2098540465956 + 21785760000 = 1448634^2 + 147600^2 .

It is a super-2 number, since 2×2120326225956² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120326225957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8615460 + ... + 8858148.

Almost surely, 2^{2120326225956} is an apocalyptic number.

2120326225956 is the 1456134-th square number.

It is an amenable number.

2120326225956 is an abundant number, since it is smaller than the sum of its proper divisors (3239409374445).

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

2120326225956 is an frugal number, since it uses more digits than its factorization.

2120326225956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485388 (or 242694 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 2120326225956 in words is "two trillion, one hundred twenty billion, three hundred twenty-six million, two hundred twenty-five thousand, nine hundred fifty-six".