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20626044 = 2234736571
BaseRepresentation
bin100111010101…
…1101001111100
31102210220121120
41032223221330
520240013134
62014030540
7340214145
oct116535174
942726546
1020626044
111070871a
126aa8450
13437237a
142a4cacc
151c26649
hex13aba7c

20626044 has 24 divisors (see below), whose sum is σ = 49152768. Its totient is φ = 6728880.

The previous prime is 20626037. The next prime is 20626051. The reversal of 20626044 is 44062602.

It is an interprime number because it is at equal distance from previous prime (20626037) and next prime (20626051).

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, 17722 + ... + 18849.

It is an arithmetic number, because the mean of its divisors is an integer number (2048032).

Almost surely, 220626044 is an apocalyptic number.

It is an amenable number.

20626044 is an abundant number, since it is smaller than the sum of its proper divisors (28526724).

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

20626044 is a wasteful number, since it uses less digits than its factorization.

20626044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36625 (or 36623 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 20626044 is about 4541.5904703088. The cubic root of 20626044 is about 274.2449547258.

Adding to 20626044 its reverse (44062602), we get a palindrome (64688646).

The spelling of 20626044 in words is "twenty million, six hundred twenty-six thousand, forty-four".

Divisors: 1 2 3 4 6 12 47 94 141 188 282 564 36571 73142 109713 146284 219426 438852 1718837 3437674 5156511 6875348 10313022 20626044