20041057772176 has 135 divisors (see below), whose sum is σ = 45649551461673. Its totient is φ = 8498612841600.

The previous prime is 20041057772173. The next prime is 20041057772179. The reversal of 20041057772176 is 67127775014002.

The square root of 20041057772176 is 4476724.

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

It is an interprime number because it is at equal distance from previous prime (20041057772173) and next prime (20041057772179).

It can be written as a sum of positive squares in only one way, i.e., 19255210981776 + 785846790400 = 4388076^2 + 886480^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20041057772171) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12660174681 + ... + 12660176263.

Almost surely, 2^{20041057772176} is an apocalyptic number.

20041057772176 is the 4476724-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20041057772176

20041057772176 is an abundant number, since it is smaller than the sum of its proper divisors (25608493689497).

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

20041057772176 is an frugal number, since it uses more digits than its factorization.

20041057772176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 49.

Multiplying 20041057772176 by its sum of digits (49), we get a square (982011830836624 = 31337068²).

20041057772176 divided by its sum of digits (49) gives a square (409001179024 = 639532²).

The spelling of 20041057772176 in words is "twenty trillion, forty-one billion, fifty-seven million, seven hundred seventy-two thousand, one hundred seventy-six".