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20293998300 = 223252191118057
BaseRepresentation
bin10010111001100111…
…011101011011011100
31221101022201221002200
4102321213131123130
5313030230421200
613153430451500
71315622065542
oct227147353334
957338657080
1020293998300
118674484324
123b24503b90
131bb5583a24
14da7375d92
157db991800
hex4b99dd6dc

20293998300 has 108 divisors (see below), whose sum is σ = 63943990656. Its totient is φ = 5383353600.

The previous prime is 20293998293. The next prime is 20293998301. The reversal of 20293998300 is 389939202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20293998301) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 112872 + ... + 230928.

Almost surely, 220293998300 is an apocalyptic number.

20293998300 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 20293998300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31971995328).

20293998300 is an abundant number, since it is smaller than the sum of its proper divisors (43649992356).

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

20293998300 is a wasteful number, since it uses less digits than its factorization.

20293998300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118268 (or 118258 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 20293998300 in words is "twenty billion, two hundred ninety-three million, nine hundred ninety-eight thousand, three hundred".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 75 90 100 150 180 191 225 300 382 450 573 764 900 955 1146 1719 1910 2292 2865 3438 3820 4775 5730 6876 8595 9550 11460 14325 17190 19100 28650 34380 42975 57300 85950 118057 171900 236114 354171 472228 590285 708342 1062513 1180570 1416684 1770855 2125026 2361140 2951425 3541710 4250052 5312565 5902850 7083420 8854275 10625130 11805700 17708550 21250260 22548887 26562825 35417100 45097774 53125650 67646661 90195548 106251300 112744435 135293322 202939983 225488870 270586644 338233305 405879966 450977740 563722175 676466610 811759932 1014699915 1127444350 1352933220 1691166525 2029399830 2254888700 3382333050 4058799660 5073499575 6764666100 10146999150 20293998300