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20802184222 = 233851307261
BaseRepresentation
bin10011010111111010…
…000010010000011110
31222200201222110010111
4103113322002100132
5320100324343342
613320103000234
71334332435261
oct232772022036
958621873114
1020802184222
118905321996
12404673907a
131c66943a61
141014a5ccd8
1581b3c5217
hex4d7e8241e

20802184222 has 8 divisors (see below), whose sum is σ = 31204299672. Its totient is φ = 10400751000.

The previous prime is 20802184217. The next prime is 20802184367. The reversal of 20802184222 is 22248120802.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 85929 + ... + 221332.

It is an arithmetic number, because the mean of its divisors is an integer number (3900537459).

Almost surely, 220802184222 is an apocalyptic number.

20802184222 is a deficient number, since it is larger than the sum of its proper divisors (10402115450).

20802184222 is a wasteful number, since it uses less digits than its factorization.

20802184222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341114.

The product of its (nonzero) digits is 8192, while the sum is 31.

The spelling of 20802184222 in words is "twenty billion, eight hundred two million, one hundred eighty-four thousand, two hundred twenty-two".

Divisors: 1 2 33851 67702 307261 614522 10401092111 20802184222