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20332741 = 1113294903
BaseRepresentation
bin100110110010…
…0000011000101
31102021000021111
41031210003011
520201121431
62003445021
7334553062
oct115440305
942230244
1020332741
1110528320
126986771
13429ba10
1429b3c69
151bb97b1
hex13640c5

20332741 has 16 divisors (see below), whose sum is σ = 24716160. Its totient is φ = 16470720.

The previous prime is 20332733. The next prime is 20332747. The reversal of 20332741 is 14723302.

It is a cyclic number.

It is not a de Polignac number, because 20332741 - 23 = 20332733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696 + ... + 6598.

It is an arithmetic number, because the mean of its divisors is an integer number (1544760).

Almost surely, 220332741 is an apocalyptic number.

It is an amenable number.

20332741 is a deficient number, since it is larger than the sum of its proper divisors (4383419).

20332741 is a wasteful number, since it uses less digits than its factorization.

20332741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 20332741 is about 4509.1840725346. The cubic root of 20332741 is about 272.9388199435.

It can be divided in two parts, 2033 and 2741, that added together give a palindrome (4774).

The spelling of 20332741 in words is "twenty million, three hundred thirty-two thousand, seven hundred forty-one".

Divisors: 1 11 13 29 143 319 377 4147 4903 53933 63739 142187 701129 1564057 1848431 20332741