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22090577920 = 2115171131123
BaseRepresentation
bin10100100100101100…
…110111100000000000
32010000112022122000121
4110210230313200000
5330220141443140
614052005430024
71411265546155
oct244454674000
963015278017
1022090577920
119406612174
12434610b314
132110846ca8
1410d7bdc22c
1589457164a
hex524b37800

22090577920 has 192 divisors, whose sum is σ = 56669427360. Its totient is φ = 8235515904.

The previous prime is 22090577911. The next prime is 22090577963. The reversal of 22090577920 is 2977509022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19670479 + ... + 19671601.

Almost surely, 222090577920 is an apocalyptic number.

22090577920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22090577920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28334713680).

22090577920 is an abundant number, since it is smaller than the sum of its proper divisors (34578849440).

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

22090577920 is a wasteful number, since it uses less digits than its factorization.

22090577920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The spelling of 22090577920 in words is "twenty-two billion, ninety million, five hundred seventy-seven thousand, nine hundred twenty".