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20293838200 = 2352101469191
BaseRepresentation
bin10010111001100110…
…110110010101111000
31221101022102210111001
4102321212312111320
5313030210310300
613153423214344
71315620531016
oct227146662570
957338383431
1020293838200
118674385009
123b244473b4
131bb5528bac
14da73338b6
157db95e16a
hex4b99b6578

20293838200 has 24 divisors (see below), whose sum is σ = 47183174280. Its totient is φ = 8117535200.

The previous prime is 20293838137. The next prime is 20293838203. The reversal of 20293838200 is 283839202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20293838200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20293838203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50734396 + ... + 50734795.

It is an arithmetic number, because the mean of its divisors is an integer number (1965965595).

Almost surely, 220293838200 is an apocalyptic number.

20293838200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20293838200 is an abundant number, since it is smaller than the sum of its proper divisors (26889336080).

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

20293838200 is a wasteful number, since it uses less digits than its factorization.

20293838200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101469207 (or 101469198 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 20293838200 in words is "twenty billion, two hundred ninety-three million, eight hundred thirty-eight thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 101469191 202938382 405876764 507345955 811753528 1014691910 2029383820 2536729775 4058767640 5073459550 10146919100 20293838200