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20432202 = 237486481
BaseRepresentation
bin100110111110…
…0010101001010
31102110001201020
41031330111022
520212312302
62005533310
7335446050
oct115742512
942401636
1020432202
111059601a
126a14236
13430507b
1429dc1d0
151bd8ebc
hex137c54a

20432202 has 16 divisors (see below), whose sum is σ = 46702272. Its totient is φ = 5837760.

The previous prime is 20432183. The next prime is 20432233. The reversal of 20432202 is 20223402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243199 + ... + 243282.

It is an arithmetic number, because the mean of its divisors is an integer number (2918892).

Almost surely, 220432202 is an apocalyptic number.

20432202 is an abundant number, since it is smaller than the sum of its proper divisors (26270070).

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

20432202 is a wasteful number, since it uses less digits than its factorization.

20432202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486493.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 20432202 is about 4520.1993318879. The cubic root of 20432202 is about 273.3831381912.

Adding to 20432202 its reverse (20223402), we get a palindrome (40655604).

The spelling of 20432202 in words is "twenty million, four hundred thirty-two thousand, two hundred two".

Divisors: 1 2 3 6 7 14 21 42 486481 972962 1459443 2918886 3405367 6810734 10216101 20432202