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20302124 = 2210349277
BaseRepresentation
bin100110101110…
…0100100101100
31102012110021112
41031130210230
520144131444
62003051152
7334364603
oct115344454
942173245
1020302124
1110507317
126970ab8
13428aabb
1429a6a3a
151bb069e
hex135c92c

20302124 has 12 divisors (see below), whose sum is σ = 35874384. Its totient is φ = 10052304.

The previous prime is 20302099. The next prime is 20302133. The reversal of 20302124 is 42120302.

It is a super-2 number, since 2×203021242 = 824352477822752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20302099 and 20302108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24227 + ... + 25050.

It is an arithmetic number, because the mean of its divisors is an integer number (2989532).

Almost surely, 220302124 is an apocalyptic number.

It is an amenable number.

20302124 is a deficient number, since it is larger than the sum of its proper divisors (15572260).

20302124 is a wasteful number, since it uses less digits than its factorization.

20302124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49384 (or 49382 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20302124 is about 4505.7878334427. The cubic root of 20302124 is about 272.8017542163.

Adding to 20302124 its reverse (42120302), we get a palindrome (62422426).

The spelling of 20302124 in words is "twenty million, three hundred two thousand, one hundred twenty-four".

Divisors: 1 2 4 103 206 412 49277 98554 197108 5075531 10151062 20302124