20118938751396 has 81 divisors (see below), whose sum is σ = 53165117886699. Its totient is φ = 6414536736432.

The previous prime is 20118938751257. The next prime is 20118938751407. The reversal of 20118938751396 is 69315783981102.

The square root of 20118938751396 is 4485414.

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

20118938751396 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 89 + 38 + 7 + 513 + 9 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 618970881 + ... + 619003383.

Almost surely, 2^{20118938751396} is an apocalyptic number.

20118938751396 is the 4485414-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20118938751396

20118938751396 is an abundant number, since it is smaller than the sum of its proper divisors (33046179135303).

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

20118938751396 is an frugal number, since it uses more digits than its factorization.

20118938751396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65062 (or 32531 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 20118938751396 in words is "twenty trillion, one hundred eighteen billion, nine hundred thirty-eight million, seven hundred fifty-one thousand, three hundred ninety-six".