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19200017020 = 225960000851
BaseRepresentation
bin10001111000011010…
…010000001001111100
31211120002012220220111
4101320122100021330
5303310201021040
612453110555404
71246536311002
oct217032201174
954502186814
1019200017020
1181629aaa68
12387a068b64
131a6ca2c722
14d01d62a72
157758e8dea
hex47869027c

19200017020 has 12 divisors (see below), whose sum is σ = 40320035784. Its totient is φ = 7680006800.

The previous prime is 19200016991. The next prime is 19200017033. The reversal of 19200017020 is 2071000291.

It is a junction number, because it is equal to n+sod(n) for n = 19200016982 and 19200017000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480000406 + ... + 480000445.

It is an arithmetic number, because the mean of its divisors is an integer number (3360002982).

Almost surely, 219200017020 is an apocalyptic number.

19200017020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19200017020 is an abundant number, since it is smaller than the sum of its proper divisors (21120018764).

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

19200017020 is a wasteful number, since it uses less digits than its factorization.

19200017020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960000860 (or 960000858 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The spelling of 19200017020 in words is "nineteen billion, two hundred million, seventeen thousand, twenty".

Divisors: 1 2 4 5 10 20 960000851 1920001702 3840003404 4800004255 9600008510 19200017020