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20303225124 = 223713194911993
BaseRepresentation
bin10010111010001010…
…101010000100100100
31221101222002200220220
4102322022222010210
5313040111200444
613154400324340
71316063365110
oct227212520444
957358080826
1020303225124
1186797065a6
123b276136b0
131bb74646a0
14da8698740
157dc6b5619
hex4ba2aa124

20303225124 has 192 divisors, whose sum is σ = 61531330560. Its totient is φ = 5059998720.

The previous prime is 20303225101. The next prime is 20303225191. The reversal of 20303225124 is 42152230302.

It is a junction number, because it is equal to n+sod(n) for n = 20303225094 and 20303225103.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10186272 + ... + 10188264.

It is an arithmetic number, because the mean of its divisors is an integer number (320475680).

Almost surely, 220303225124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20303225124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30765665280).

20303225124 is an abundant number, since it is smaller than the sum of its proper divisors (41228105436).

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

20303225124 is a wasteful number, since it uses less digits than its factorization.

20303225124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20303225124 its reverse (42152230302), we get a palindrome (62455455426).

The spelling of 20303225124 in words is "twenty billion, three hundred three million, two hundred twenty-five thousand, one hundred twenty-four".