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20022028000 = 255313385039
BaseRepresentation
bin10010101001011001…
…111110011011100000
31220200100222101222121
4102221121332123200
5312001114344000
613110433314024
71306110300322
oct225131763340
956610871877
1020022028000
118544a04a87
123a69405914
131b7111b160
14d7d1bb612
157c2b6cb1a
hex4a967e6e0

20022028000 has 96 divisors (see below), whose sum is σ = 52978423680. Its totient is φ = 7392729600.

The previous prime is 20022027947. The next prime is 20022028003. The reversal of 20022028000 is 82022002.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022028003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140520 + ... + 244519.

It is an arithmetic number, because the mean of its divisors is an integer number (551858580).

Almost surely, 220022028000 is an apocalyptic number.

20022028000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022028000 is an abundant number, since it is smaller than the sum of its proper divisors (32956395680).

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

20022028000 is a wasteful number, since it uses less digits than its factorization.

20022028000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385077 (or 385059 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The spelling of 20022028000 in words is "twenty billion, twenty-two million, twenty-eight thousand".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 125 130 160 200 208 250 260 325 400 416 500 520 650 800 1000 1040 1300 1625 2000 2080 2600 3250 4000 5200 6500 10400 13000 26000 52000 385039 770078 1540156 1925195 3080312 3850390 5005507 6160624 7700780 9625975 10011014 12321248 15401560 19251950 20022028 25027535 30803120 38503900 40044056 48129875 50055070 61606240 77007800 80088112 96259750 100110140 125137675 154015600 160176224 192519500 200220280 250275350 308031200 385039000 400440560 500550700 625688375 770078000 800881120 1001101400 1251376750 1540156000 2002202800 2502753500 4004405600 5005507000 10011014000 20022028000