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20300433030 = 234525062263
BaseRepresentation
bin10010111010000000…
…000000011010000110
31221101202211211220000
4102322000000122012
5313033402324110
613154220422130
71316030555643
oct227200003206
957352754800
1020300433030
118678079889
123b266a7946
131bb69c7867
14da816cdca
157dc3131c0
hex4ba000686

20300433030 has 40 divisors (see below), whose sum is σ = 54585610992. Its totient is φ = 5413448592.

The previous prime is 20300433019. The next prime is 20300433071. The reversal of 20300433030 is 3033400302.

20300433030 is a `hidden beast` number, since 2 + 0 + 300 + 4 + 330 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20300432994 and 20300433012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12530322 + ... + 12531941.

Almost surely, 220300433030 is an apocalyptic number.

20300433030 is an abundant number, since it is smaller than the sum of its proper divisors (34285177962).

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

20300433030 is a wasteful number, since it uses less digits than its factorization.

20300433030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25062282 (or 25062273 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 20300433030 its reverse (3033400302), we get a palindrome (23333833332).

The spelling of 20300433030 in words is "twenty billion, three hundred million, four hundred thirty-three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 25062263 50124526 75186789 125311315 150373578 225560367 250622630 375933945 451120734 676681101 751867890 1127801835 1353362202 2030043303 2255603670 3383405505 4060086606 6766811010 10150216515 20300433030