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20272530025 = 5211671100273
BaseRepresentation
bin10010111000010101…
…100100001001101001
31221022211100020011101
4102320111210021221
5313004231430100
613151342401401
71315241443036
oct227025441151
957284306141
1020272530025
118663350950
123b19290261
131bb0ca81c7
14da458838d
157d9b5086a
hex4b8564269

20272530025 has 24 divisors (see below), whose sum is σ = 27832531104. Its totient is φ = 14523590400.

The previous prime is 20272530017. The next prime is 20272530071. The reversal of 20272530025 is 52003527202.

It is not a de Polignac number, because 20272530025 - 23 = 20272530017 is a prime.

It is a super-2 number, since 2×202725300252 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20272529975 and 20272530002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531712 + ... + 568561.

It is an arithmetic number, because the mean of its divisors is an integer number (1159688796).

Almost surely, 220272530025 is an apocalyptic number.

20272530025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20272530025 is a deficient number, since it is larger than the sum of its proper divisors (7560001079).

20272530025 is a wasteful number, since it uses less digits than its factorization.

20272530025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100361 (or 1100356 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The spelling of 20272530025 in words is "twenty billion, two hundred seventy-two million, five hundred thirty thousand, twenty-five".

Divisors: 1 5 11 25 55 67 275 335 737 1675 3685 18425 1100273 5501365 12103003 27506825 60515015 73718291 302575075 368591455 810901201 1842957275 4054506005 20272530025