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20203013250 = 2335371373121
BaseRepresentation
bin10010110100001100…
…011000010010000010
31221010222112102002000
4102310030120102002
5312333432411000
613140420404430
71313435531160
oct226414302202
957128472060
1020203013250
11862808a972
123ab9b46716
131b9c778614
14d99250230
157d39bd000
hex4b4318482

20203013250 has 256 divisors, whose sum is σ = 64521999360. Its totient is φ = 4582656000.

The previous prime is 20203013249. The next prime is 20203013267. The reversal of 20203013250 is 5231030202.

20203013250 is a `hidden beast` number, since 20 + 20 + 301 + 325 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6471690 + ... + 6474810.

It is an arithmetic number, because the mean of its divisors is an integer number (252039060).

Almost surely, 220203013250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20203013250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32260999680).

20203013250 is an abundant number, since it is smaller than the sum of its proper divisors (44318986110).

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

20203013250 is a wasteful number, since it uses less digits than its factorization.

20203013250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291 (or 3275 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

Adding to 20203013250 its reverse (5231030202), we get a palindrome (25434043452).

The spelling of 20203013250 in words is "twenty billion, two hundred three million, thirteen thousand, two hundred fifty".