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20525110101100 = 22521121696290091
BaseRepresentation
bin1001010101010110111111…
…11001011000010001101100
32200200011220012202112000201
410222223133321120101230
510142240411141213400
6111353034434003244
74215614235155143
oct452533771302154
980604805675021
1020525110101100
1165a3717622100
122375aa1a16524
13b5b6817073a7
1450d5c62c875a
15258d8a18906a
hex12aadfe5846c

20525110101100 has 54 divisors (see below), whose sum is σ = 48956628345212. Its totient is φ = 7463676396000.

The previous prime is 20525110100993. The next prime is 20525110101101. The reversal of 20525110101100 is 110101152502.

It is not an unprimeable number, because it can be changed into a prime (20525110101101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 848132946 + ... + 848157145.

Almost surely, 220525110101100 is an apocalyptic number.

20525110101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20525110101100 is an abundant number, since it is smaller than the sum of its proper divisors (28431518244112).

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

20525110101100 is a wasteful number, since it uses less digits than its factorization.

20525110101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696290127 (or 1696290109 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 19.

Adding to 20525110101100 its reverse (110101152502), we get a palindrome (20635211253602).

The spelling of 20525110101100 in words is "twenty trillion, five hundred twenty-five billion, one hundred ten million, one hundred one thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 1100 1210 2420 3025 6050 12100 1696290091 3392580182 6785160364 8481450455 16962900910 18659191001 33925801820 37318382002 42407252275 74636764004 84814504550 93295955005 169629009100 186591910010 205251101011 373183820020 410502202022 466479775025 821004404044 932959550050 1026255505055 1865919100100 2052511010110 4105022020220 5131277525275 10262555050550 20525110101100