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20061371 = 113158831
BaseRepresentation
bin100110010000…
…1110010111011
31101202020000202
41030201302323
520113430441
61553552415
7332342651
oct114416273
941666022
1020061371
1110362450
12687570b
134205345
142942dd1
151b6419b
hex1321cbb

20061371 has 8 divisors (see below), whose sum is σ = 22591488. Its totient is φ = 17649000.

The previous prime is 20061367. The next prime is 20061403. The reversal of 20061371 is 17316002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20061371 - 22 = 20061367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20061311) 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, 29075 + ... + 29756.

It is an arithmetic number, because the mean of its divisors is an integer number (2823936).

Almost surely, 220061371 is an apocalyptic number.

20061371 is a deficient number, since it is larger than the sum of its proper divisors (2530117).

20061371 is a wasteful number, since it uses less digits than its factorization.

20061371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58873.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 20061371 is about 4478.9921857489. The cubic root of 20061371 is about 271.7191223602.

Adding to 20061371 its reverse (17316002), we get a palindrome (37377373).

The spelling of 20061371 in words is "twenty million, sixty-one thousand, three hundred seventy-one".

Divisors: 1 11 31 341 58831 647141 1823761 20061371