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2032221920 = 25512701387
BaseRepresentation
bin111100100100001…
…0011111011100000
312020121222120101112
41321020103323200
513130222100140
6533353322452
7101234413151
oct17110237340
95217876345
102032221920
11953155453
12488706428
132650497a1
14153c85928
15bd629c65
hex79213ee0

2032221920 has 24 divisors (see below), whose sum is σ = 4801124664. Its totient is φ = 812888704.

The previous prime is 2032221907. The next prime is 2032221937. The reversal of 2032221920 is 291222302.

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, 6350534 + ... + 6350853.

It is an arithmetic number, because the mean of its divisors is an integer number (200046861).

Almost surely, 22032221920 is an apocalyptic number.

2032221920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2032221920 is an abundant number, since it is smaller than the sum of its proper divisors (2768902744).

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

2032221920 is a wasteful number, since it uses less digits than its factorization.

2032221920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12701402 (or 12701394 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2032221920 is about 45080.1721380919. The cubic root of 2032221920 is about 1266.6512143390.

The spelling of 2032221920 in words is "two billion, thirty-two million, two hundred twenty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 12701387 25402774 50805548 63506935 101611096 127013870 203222192 254027740 406444384 508055480 1016110960 2032221920