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20944060 = 2253592917
BaseRepresentation
bin100111111100…
…1010010111100
31110102001211221
41033321102330
520330202220
62024523124
7343010254
oct117712274
943361757
1020944060
1110905645
1270204a4
134454047
142ad2964
151c8a9aa
hex13f94bc

20944060 has 24 divisors (see below), whose sum is σ = 44120160. Its totient is φ = 8351424.

The previous prime is 20944057. The next prime is 20944069. The reversal of 20944060 is 6044902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20944069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5722 + ... + 8638.

It is an arithmetic number, because the mean of its divisors is an integer number (1838340).

Almost surely, 220944060 is an apocalyptic number.

20944060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20944060 is an abundant number, since it is smaller than the sum of its proper divisors (23176100).

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

20944060 is a wasteful number, since it uses less digits than its factorization.

20944060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285 (or 3283 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 20944060 is about 4576.4680704666. The cubic root of 20944060 is about 275.6472248435.

Adding to 20944060 its reverse (6044902), we get a palindrome (26988962).

The spelling of 20944060 in words is "twenty million, nine hundred forty-four thousand, sixty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 2917 3590 5834 7180 11668 14585 29170 58340 1047203 2094406 4188812 5236015 10472030 20944060