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20250452000 = 255353591619
BaseRepresentation
bin10010110111000001…
…010110000000100000
31221021021210112210202
4102313001112000200
5312433103431000
613145233244332
71314553000442
oct226701260040
957237715722
1020250452000
118651941349
123b11a036a8
131ba9547c9c
14da167c492
157d7c3ddd5
hex4b7056020

20250452000 has 192 divisors, whose sum is σ = 51585206400. Its totient is φ = 7807820800.

The previous prime is 20250451987. The next prime is 20250452023. The reversal of 20250452000 is 25405202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12507191 + ... + 12508809.

It is an arithmetic number, because the mean of its divisors is an integer number (268672950).

Almost surely, 220250452000 is an apocalyptic number.

20250452000 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 20250452000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25792603200).

20250452000 is an abundant number, since it is smaller than the sum of its proper divisors (31334754400).

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

20250452000 is a wasteful number, since it uses less digits than its factorization.

20250452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756 (or 1738 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

Adding to 20250452000 its reverse (25405202), we get a palindrome (20275857202).

The spelling of 20250452000 in words is "twenty billion, two hundred fifty million, four hundred fifty-two thousand".