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20502030234120 = 2335170850251951
BaseRepresentation
bin1001010100101100000000…
…01110101011001000001000
32200120222022201220210112120
410222112000032223020020
510141401124214442440
6111334300324211240
74214136264425211
oct452260016531010
980528281823476
1020502030234120
116594953642476
122371520539b20
13b59443c33576
1450c436d6a408
15258488d4edd0
hex12a5803ab208

20502030234120 has 32 divisors (see below), whose sum is σ = 61506090702720. Its totient is φ = 5467208062400.

The previous prime is 20502030234107. The next prime is 20502030234121. The reversal of 20502030234120 is 2143203020502.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20502030234121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85425125856 + ... + 85425126095.

It is an arithmetic number, because the mean of its divisors is an integer number (1922065334460).

Almost surely, 220502030234120 is an apocalyptic number.

20502030234120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20502030234120 is an abundant number, since it is smaller than the sum of its proper divisors (41004060468600).

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

20502030234120 is a wasteful number, since it uses less digits than its factorization.

20502030234120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170850251965 (or 170850251961 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 20502030234120 its reverse (2143203020502), we get a palindrome (22645233254622).

The spelling of 20502030234120 in words is "twenty trillion, five hundred two billion, thirty million, two hundred thirty-four thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 170850251951 341700503902 512550755853 683401007804 854251259755 1025101511706 1366802015608 1708502519510 2050203023412 2562753779265 3417005039020 4100406046824 5125507558530 6834010078040 10251015117060 20502030234120