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20242240224020 = 2251518637766777
BaseRepresentation
bin1001001101001000000111…
…00010011011101100010100
32122200010202112011220021122
410212210003202123230110
510123122101444132040
6111015053510503112
74156311403656023
oct446440342335424
978603675156248
1020242240224020
1164a475a98a791
12232b0b9364a98
13b3aab182b5b9
144dda302588ba
152518318071b5
hex12690389bb14

20242240224020 has 48 divisors (see below), whose sum is σ = 42839807689728. Its totient is φ = 8033953094400.

The previous prime is 20242240223983. The next prime is 20242240224047. The reversal of 20242240224020 is 2042204224202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277129 + ... + 6489648.

It is an arithmetic number, because the mean of its divisors is an integer number (892495993536).

Almost surely, 220242240224020 is an apocalyptic number.

20242240224020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242240224020 is an abundant number, since it is smaller than the sum of its proper divisors (22597567465708).

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

20242240224020 is a wasteful number, since it uses less digits than its factorization.

20242240224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767800 (or 7767798 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20242240224020 its reverse (2042204224202), we get a palindrome (22284444448222).

The spelling of 20242240224020 in words is "twenty trillion, two hundred forty-two billion, two hundred forty million, two hundred twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 151 302 604 755 863 1510 1726 3020 3452 4315 8630 17260 130313 260626 521252 651565 1303130 2606260 7766777 15533554 31067108 38833885 77667770 155335540 1172783327 2345566654 4691133308 5863916635 6702728551 11727833270 13405457102 23455666540 26810914204 33513642755 67027285510 134054571020 1012112011201 2024224022402 4048448044804 5060560056005 10121120112010 20242240224020