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20067225 = 3521715739
BaseRepresentation
bin100110010001…
…1001110011001
31101202112001120
41030203032121
520114122400
61554035453
7332366013
oct114431631
941675046
1020067225
1110366892
126878b89
134207bc9
1429451b3
151b65ca0
hex1323399

20067225 has 24 divisors (see below), whose sum is σ = 35131680. Its totient is φ = 10072320.

The previous prime is 20067169. The next prime is 20067233. The reversal of 20067225 is 52276002.

It is not a de Polignac number, because 20067225 - 217 = 19936153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20067195 and 20067204.

It is a congruent number.

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, 6595 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (1463820).

Almost surely, 220067225 is an apocalyptic number.

20067225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20067225 is a deficient number, since it is larger than the sum of its proper divisors (15064455).

20067225 is a wasteful number, since it uses less digits than its factorization.

20067225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15769 (or 15764 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20067225 is about 4479.6456333063. The cubic root of 20067225 is about 271.7455494182.

The spelling of 20067225 in words is "twenty million, sixty-seven thousand, two hundred twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 255 425 1275 15739 47217 78695 236085 267563 393475 802689 1180425 1337815 4013445 6689075 20067225