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20200002009 = 311612121273
BaseRepresentation
bin10010110100000000…
…111001000111011001
31221010202212102102120
4102310000321013121
5312332200031014
613140232051453
71313401120065
oct226400710731
957122772376
1020200002009
118626413540
123ab8b33b89
131b9bc62b15
14d98aa8aa5
157d35c5ba9
hex4b40391d9

20200002009 has 8 divisors (see below), whose sum is σ = 29381821152. Its totient is φ = 12242425440.

The previous prime is 20200002007. The next prime is 20200002047. The reversal of 20200002009 is 90020000202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20200002009 - 21 = 20200002007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20200002007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306060604 + ... + 306060669.

It is an arithmetic number, because the mean of its divisors is an integer number (3672727644).

Almost surely, 220200002009 is an apocalyptic number.

It is an amenable number.

20200002009 is a deficient number, since it is larger than the sum of its proper divisors (9181819143).

20200002009 is a wasteful number, since it uses less digits than its factorization.

20200002009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612121287.

The product of its (nonzero) digits is 72, while the sum is 15.

The spelling of 20200002009 in words is "twenty billion, two hundred million, two thousand, nine".

Divisors: 1 3 11 33 612121273 1836363819 6733334003 20200002009