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20601342 = 2321144519
BaseRepresentation
bin100111010010…
…1100111111110
31102202122201200
41032211213332
520233220332
62013320330
7340052136
oct116454776
942678650
1020601342
11106a1103
126a960a6
134364058
142a43ac6
151c1e17c
hex13a59fe

20601342 has 12 divisors (see below), whose sum is σ = 44636280. Its totient is φ = 6867108.

The previous prime is 20601323. The next prime is 20601367. The reversal of 20601342 is 24310602.

It is a happy number.

20601342 is a `hidden beast` number, since 20 + 601 + 3 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1144519 = 20601342 / (2 + 0 + 6 + 0 + 1 + 3 + 4 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 572242 + ... + 572277.

It is an arithmetic number, because the mean of its divisors is an integer number (3719690).

Almost surely, 220601342 is an apocalyptic number.

20601342 is an abundant number, since it is smaller than the sum of its proper divisors (24034938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20601342 is a wasteful number, since it uses less digits than its factorization.

20601342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144527 (or 1144524 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 20601342 is about 4538.8701237202. The cubic root of 20601342 is about 274.1354312994.

Adding to 20601342 its reverse (24310602), we get a palindrome (44911944).

The spelling of 20601342 in words is "twenty million, six hundred one thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 1144519 2289038 3433557 6867114 10300671 20601342