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20300044 = 225075011
BaseRepresentation
bin100110101110…
…0000100001100
31102012100102111
41031130010030
520144100134
62003033404
7334355542
oct115340414
942170374
1020300044
11105057a6
12696b864
134289b7b
1429a5d92
151baec64
hex135c10c

20300044 has 6 divisors (see below), whose sum is σ = 35525084. Its totient is φ = 10150020.

The previous prime is 20300041. The next prime is 20300081. The reversal of 20300044 is 44000302.

It is a junction number, because it is equal to n+sod(n) for n = 20299997 and 20300033.

It is not an unprimeable number, because it can be changed into a prime (20300041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2537502 + ... + 2537509.

Almost surely, 220300044 is an apocalyptic number.

It is an amenable number.

20300044 is a deficient number, since it is larger than the sum of its proper divisors (15225040).

20300044 is a wasteful number, since it uses less digits than its factorization.

20300044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075015 (or 5075013 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20300044 is about 4505.5570132893. The cubic root of 20300044 is about 272.7924375059.

Adding to 20300044 its reverse (44000302), we get a palindrome (64300346).

The spelling of 20300044 in words is "twenty million, three hundred thousand, forty-four".

Divisors: 1 2 4 5075011 10150022 20300044