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20325141200 = 2452721379769
BaseRepresentation
bin10010111011011110…
…010000101011010000
31221110111100011010102
4102323132100223100
5313111214004300
613200502151532
71316450564300
oct227336205320
957414304112
1020325141200
118690015461
123b32a225a8
131bbbb68c90
14dab561600
157de5940d5
hex4bb790ad0

20325141200 has 180 divisors, whose sum is σ = 61173858060. Its totient is φ = 6432491520.

The previous prime is 20325141181. The next prime is 20325141203. The reversal of 20325141200 is 214152302.

It can be written as a sum of positive squares in 6 ways, for example, as 116812864 + 20208328336 = 10808^2 + 142156^2 .

It is a super-2 number, since 2×203251412002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20325141203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 214916 + ... + 294684.

It is an arithmetic number, because the mean of its divisors is an integer number (339854767).

Almost surely, 220325141200 is an apocalyptic number.

20325141200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20325141200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30586929030).

20325141200 is an abundant number, since it is smaller than the sum of its proper divisors (40848716860).

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

20325141200 is a wasteful number, since it uses less digits than its factorization.

20325141200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79814 (or 79796 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20325141200 its reverse (214152302), we get a palindrome (20539293502).

The spelling of 20325141200 in words is "twenty billion, three hundred twenty-five million, one hundred forty-one thousand, two hundred".