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20265225127 = 752235407
BaseRepresentation
bin10010110111111001…
…101100101110100111
31221022022121002201121
4102313321230232213
5313000344201002
613150522034411
71315122400000
oct226771545647
957268532647
1020265225127
11865a211644
123b16948a07
131bac61b294
14da36061a7
157d91ab237
hex4b7e6cba7

20265225127 has 24 divisors (see below), whose sum is σ = 23752974336. Its totient is φ = 17289101592.

The previous prime is 20265225083. The next prime is 20265225179. The reversal of 20265225127 is 72152256202.

It is not a de Polignac number, because 20265225127 - 223 = 20256836519 is a prime.

It is a super-2 number, since 2×202652251272 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20265225092 and 20265225101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20265223127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3745258 + ... + 3750664.

It is an arithmetic number, because the mean of its divisors is an integer number (989707264).

Almost surely, 220265225127 is an apocalyptic number.

20265225127 is a deficient number, since it is larger than the sum of its proper divisors (3487749209).

20265225127 is an frugal number, since it uses more digits than its factorization.

20265225127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5665 (or 5637 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 20265225127 in words is "twenty billion, two hundred sixty-five million, two hundred twenty-five thousand, one hundred twenty-seven".

Divisors: 1 7 49 223 343 1561 2401 5407 10927 16807 37849 76489 264943 535423 1205761 1854601 3747961 8440327 12982207 59082289 90875449 413576023 2895032161 20265225127