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20042225732560 = 2451867134187371
BaseRepresentation
bin1001000111010011100011…
…01111101100101111010000
32121222000111011121222020111
410203221301233230233100
510111332434241420220
6110343134342051104
74136001015564613
oct443516157545720
977860434558214
1020042225732560
116427950a20979
1222b8398a19a94
13b24c875073c5
144d409828417a
1524b526e6e15a
hex123a71becbd0

20042225732560 has 40 divisors (see below), whose sum is σ = 46623134026656. Its totient is φ = 8012596237440.

The previous prime is 20042225732539. The next prime is 20042225732587. The reversal of 20042225732560 is 6523752224002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×200422257325603 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66944326 + ... + 67243045.

Almost surely, 220042225732560 is an apocalyptic number.

20042225732560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20042225732560 is an abundant number, since it is smaller than the sum of its proper divisors (26580908294096).

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

20042225732560 is a wasteful number, since it uses less digits than its factorization.

20042225732560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134189251 (or 134189245 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 40.

Adding to 20042225732560 its reverse (6523752224002), we get a palindrome (26565977956562).

The spelling of 20042225732560 in words is "twenty trillion, forty-two billion, two hundred twenty-five million, seven hundred thirty-two thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1867 3734 7468 9335 14936 18670 29872 37340 74680 149360 134187371 268374742 536749484 670936855 1073498968 1341873710 2146997936 2683747420 5367494840 10734989680 250527821657 501055643314 1002111286628 1252639108285 2004222573256 2505278216570 4008445146512 5010556433140 10021112866280 20042225732560