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20320200232 = 2317739202183
BaseRepresentation
bin10010111011001011…
…011010011000101000
31221110011001010101121
4102323023122120220
5313103432401412
613200204225024
71316360565163
oct227313323050
957404033347
1020320200232
118688250212
123b3123b174
131bbab29027
14daaa36ada
157dde1a107
hex4bb2da628

20320200232 has 32 divisors (see below), whose sum is σ = 40396363200. Its totient is φ = 9549460224.

The previous prime is 20320200217. The next prime is 20320200349. The reversal of 20320200232 is 23200202302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588 + ... + 201595.

It is an arithmetic number, because the mean of its divisors is an integer number (1262386350).

Almost surely, 220320200232 is an apocalyptic number.

It is an amenable number.

20320200232 is a deficient number, since it is larger than the sum of its proper divisors (20076162968).

20320200232 is a wasteful number, since it uses less digits than its factorization.

20320200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202945 (or 202941 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20320200232 its reverse (23200202302), we get a palindrome (43520402534).

The spelling of 20320200232 in words is "twenty billion, three hundred twenty million, two hundred thousand, two hundred thirty-two".

Divisors: 1 2 4 8 17 34 68 136 739 1478 2956 5912 12563 25126 50252 100504 202183 404366 808732 1617464 3437111 6874222 13748444 27496888 149413237 298826474 597652948 1195305896 2540025029 5080050058 10160100116 20320200232