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20300444300 = 2252203004443
BaseRepresentation
bin10010111010000000…
…000011001010001100
31221101202212102100102
4102322000003022030
5313033403204200
613154220550232
71316030633543
oct227200031214
957352772312
1020300444300
1186780872a4
123b266b2378
131bb69cca26
14da817315a
157dc3166d5
hex4ba00328c

20300444300 has 18 divisors (see below), whose sum is σ = 44051964348. Its totient is φ = 8120177680.

The previous prime is 20300444287. The next prime is 20300444347. The reversal of 20300444300 is 344400302.

It is a happy number.

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 5 ways as a sum of consecutive naturals, for example, 101502122 + ... + 101502321.

Almost surely, 220300444300 is an apocalyptic number.

20300444300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300444300 is an abundant number, since it is smaller than the sum of its proper divisors (23751520048).

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

20300444300 is a wasteful number, since it uses less digits than its factorization.

20300444300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203004457 (or 203004450 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20300444300 its reverse (344400302), we get a palindrome (20644844602).

The spelling of 20300444300 in words is "twenty billion, three hundred million, four hundred forty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 203004443 406008886 812017772 1015022215 2030044430 4060088860 5075111075 10150222150 20300444300