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20601190 = 2513914821
BaseRepresentation
bin100111010010…
…1100101100110
31102202122112001
41032211211212
520233214230
62013315514
7340051531
oct116454546
942678461
1020601190
11106a0a85
126a95b9a
134363c6c
142a43a18
151c1e0ca
hex13a5966

20601190 has 16 divisors (see below), whose sum is σ = 37351440. Its totient is φ = 8180640.

The previous prime is 20601179. The next prime is 20601197. The reversal of 20601190 is 9110602.

It is a super-2 number, since 2×206011902 = 848818058832200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20601197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6021 + ... + 8800.

It is an arithmetic number, because the mean of its divisors is an integer number (2334465).

Almost surely, 220601190 is an apocalyptic number.

20601190 is a deficient number, since it is larger than the sum of its proper divisors (16750250).

20601190 is a wasteful number, since it uses less digits than its factorization.

20601190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14967.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 20601190 is about 4538.8533794341. The cubic root of 20601190 is about 274.1347570927.

Adding to 20601190 its reverse (9110602), we get a palindrome (29711792).

The spelling of 20601190 in words is "twenty million, six hundred one thousand, one hundred ninety".

Divisors: 1 2 5 10 139 278 695 1390 14821 29642 74105 148210 2060119 4120238 10300595 20601190