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20023253025220 = 22519104950231431
BaseRepresentation
bin1001000110110000001101…
…11000100100000111000100
32121220012111221010120121001
410203120012320210013010
510111030110233301340
6110330315551103044
74134426606333214
oct443300670440704
977805457116531
1020023253025220
11641a8a5367055
1222b4782b11a84
13b23252904563
144d31b85b2244
1524acb64c629a
hex123606e241c4

20023253025220 has 48 divisors (see below), whose sum is σ = 44304123024000. Its totient is φ = 7580525564160.

The previous prime is 20023253025157. The next prime is 20023253025229. The reversal of 20023253025220 is 2252035232002.

It is not an unprimeable number, because it can be changed into a prime (20023253025229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24717096 + ... + 25514335.

It is an arithmetic number, because the mean of its divisors is an integer number (923002563000).

Almost surely, 220023253025220 is an apocalyptic number.

20023253025220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023253025220 is an abundant number, since it is smaller than the sum of its proper divisors (24280869998780).

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

20023253025220 is a wasteful number, since it uses less digits than its factorization.

20023253025220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50232508 (or 50232506 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 20023253025220 its reverse (2252035232002), we get a palindrome (22275288257222).

The spelling of 20023253025220 in words is "twenty trillion, twenty-three billion, two hundred fifty-three million, twenty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 1049 2098 4196 5245 10490 19931 20980 39862 79724 99655 199310 398620 50231431 100462862 200925724 251157155 502314310 954397189 1004628620 1908794378 3817588756 4771985945 9543971890 19087943780 52692771119 105385542238 210771084476 263463855595 526927711190 1001162651261 1053855422380 2002325302522 4004650605044 5005813256305 10011626512610 20023253025220