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20848389120 = 210355131289
BaseRepresentation
bin10011011010101010…
…010010110000000000
31222210221220220100000
4103122222102300000
5320144141422440
613324433200000
71335433245366
oct233252226000
958727826300
1020848389120
118929410359
12405a100000
131c733a0930
14101ac49636
158204a0730
hex4daa92c00

20848389120 has 528 divisors, whose sum is σ = 80739902880. Its totient is φ = 5127929856.

The previous prime is 20848389073. The next prime is 20848389139. The reversal of 20848389120 is 2198384802.

20848389120 is a `hidden beast` number, since 208 + 48 + 389 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 47 ways as a sum of consecutive naturals, for example, 16173436 + ... + 16174724.

Almost surely, 220848389120 is an apocalyptic number.

20848389120 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 20848389120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40369951440).

20848389120 is an abundant number, since it is smaller than the sum of its proper divisors (59891513760).

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

20848389120 is a wasteful number, since it uses less digits than its factorization.

20848389120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 20848389120 in words is "twenty billion, eight hundred forty-eight million, three hundred eighty-nine thousand, one hundred twenty".