20084254550116 has 135 divisors (see below), whose sum is σ = 38111600816415. Its totient is φ = 9260666654400.

The previous prime is 20084254550093. The next prime is 20084254550119. The reversal of 20084254550116 is 61105545248002.

The square root of 20084254550116 is 4481546.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16399697519716 + 3684557030400 = 4049654^2 + 1919520^2 .

It is a super-2 number, since 2×20084254550116² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20084254550119) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 467075687191 + ... + 467075687233.

Almost surely, 2^{20084254550116} is an apocalyptic number.

20084254550116 is the 4481546-th square number.

It is an amenable number.

20084254550116 is a deficient number, since it is larger than the sum of its proper divisors (18027346266299).

20084254550116 is an frugal number, since it uses more digits than its factorization.

20084254550116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 43.

Adding to 20084254550116 its reverse (61105545248002), we get a palindrome (81189799798118).

The spelling of 20084254550116 in words is "twenty trillion, eighty-four billion, two hundred fifty-four million, five hundred fifty thousand, one hundred sixteen".