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20203200000 = 2932552361
BaseRepresentation
bin10010110100001101…
…000101111000000000
31221010222212220020200
4102310031011320000
5312334004400000
613140424405200
71313440236504
oct226415057000
957128786220
1020203200000
1186281a8205
123aba016800
131b9c812619
14d9929c304
157d3a08500
hex4b4345e00

20203200000 has 720 divisors, whose sum is σ = 77295490272. Its totient is φ = 5068800000.

The previous prime is 20203199941. The next prime is 20203200007. The reversal of 20203200000 is 230202.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203200007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 331199970 + ... + 331200030.

Almost surely, 220203200000 is an apocalyptic number.

20203200000 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 20203200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38647745136).

20203200000 is an abundant number, since it is smaller than the sum of its proper divisors (57092290272).

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

20203200000 is an frugal number, since it uses more digits than its factorization.

20203200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

Adding to 20203200000 its reverse (230202), we get a palindrome (20203430202).

The spelling of 20203200000 in words is "twenty billion, two hundred three million, two hundred thousand".