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20324444 = 2271933761
BaseRepresentation
bin100110110001…
…0000001011100
31102020120220012
41031202001130
520200340234
62003342352
7334516640
oct115420134
942216805
1020324444
1110522068
1269819b8
134297cca
1429b0c20
151bb70ce
hex136205c

20324444 has 24 divisors (see below), whose sum is σ = 40870368. Its totient is φ = 8663040.

The previous prime is 20324413. The next prime is 20324453. The reversal of 20324444 is 44442302.

20324444 is a modest number, since divided by 4444 gives 2032 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3524 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (1702932).

Almost surely, 220324444 is an apocalyptic number.

It is an amenable number.

20324444 is an abundant number, since it is smaller than the sum of its proper divisors (20545924).

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

20324444 is a wasteful number, since it uses less digits than its factorization.

20324444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965 (or 3963 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 20324444 is about 4508.2639674269. The cubic root of 20324444 is about 272.9016896572.

Adding to 20324444 its reverse (44442302), we get a palindrome (64766746).

The spelling of 20324444 in words is "twenty million, three hundred twenty-four thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 193 386 772 1351 2702 3761 5404 7522 15044 26327 52654 105308 725873 1451746 2903492 5081111 10162222 20324444