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20838603222 = 2321157700179
BaseRepresentation
bin10011011010000100…
…111101100111010110
31222210021111201121100
4103122010331213112
5320134140300342
613323443330530
71335254130153
oct233204754726
958707451540
1020838603222
118923937038
124056980a46
131c71355668
14101981d22a
1581e6bae4c
hex4da13d9d6

20838603222 has 12 divisors (see below), whose sum is σ = 45150307020. Its totient is φ = 6946201068.

The previous prime is 20838603209. The next prime is 20838603223. The reversal of 20838603222 is 22230683802.

20838603222 is a `hidden beast` number, since 20 + 8 + 3 + 8 + 603 + 2 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20838603223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 578850072 + ... + 578850107.

It is an arithmetic number, because the mean of its divisors is an integer number (3762525585).

Almost surely, 220838603222 is an apocalyptic number.

20838603222 is an abundant number, since it is smaller than the sum of its proper divisors (24311703798).

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

20838603222 is a wasteful number, since it uses less digits than its factorization.

20838603222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157700187 (or 1157700184 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 20838603222 in words is "twenty billion, eight hundred thirty-eight million, six hundred three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 1157700179 2315400358 3473100537 6946201074 10419301611 20838603222