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20228548484 = 2223751292777
BaseRepresentation
bin10010110101101101…
…110010011110000100
31221012202120201211102
4102311231302132010
5312412002022414
613143131555232
71314165553004
oct226555623604
957182521742
1020228548484
118640540971
123b065bbb18
131ba4b49321
14d9c7ba004
157d5d63ede
hex4b5b72784

20228548484 has 24 divisors (see below), whose sum is σ = 36988401408. Its totient is φ = 9661608000.

The previous prime is 20228548469. The next prime is 20228548537. The reversal of 20228548484 is 48484582202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77297 + ... + 215480.

It is an arithmetic number, because the mean of its divisors is an integer number (1541183392).

Almost surely, 220228548484 is an apocalyptic number.

It is an amenable number.

20228548484 is a deficient number, since it is larger than the sum of its proper divisors (16759852924).

20228548484 is a wasteful number, since it uses less digits than its factorization.

20228548484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293555 (or 293553 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 47.

The spelling of 20228548484 in words is "twenty billion, two hundred twenty-eight million, five hundred forty-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 23 46 92 751 1502 3004 17273 34546 69092 292777 585554 1171108 6733871 13467742 26935484 219875527 439751054 879502108 5057137121 10114274242 20228548484