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20544479322 = 233424079887
BaseRepresentation
bin10011001000100010…
…111110000001011010
31222000210001200110120
4103020202332001122
5314033341314242
613234335254110
71325053123113
oct231042760132
958023050416
1020544479322
118792906434
123b9437a336
131c25434353
14dcc73920a
1580396d1ec
hex4c88be05a

20544479322 has 8 divisors (see below), whose sum is σ = 41088958656. Its totient is φ = 6848159772.

The previous prime is 20544479303. The next prime is 20544479339. The reversal of 20544479322 is 22397444502.

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

20544479322 is an admirable number.

It is a super-2 number, since 2×205444793222 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712039938 + ... + 1712039949.

It is an arithmetic number, because the mean of its divisors is an integer number (5136119832).

Almost surely, 220544479322 is an apocalyptic number.

20544479322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20544479322 is a wasteful number, since it uses less digits than its factorization.

20544479322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424079892.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 20544479322 in words is "twenty billion, five hundred forty-four million, four hundred seventy-nine thousand, three hundred twenty-two".

Divisors: 1 2 3 6 3424079887 6848159774 10272239661 20544479322