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20144342204 = 227719440793
BaseRepresentation
bin10010110000101100…
…100100010010111100
31220222220010121112022
4102300230210102330
5312223422422304
613130523055312
71312124040440
oct226054442274
956886117468
1020144342204
1185a7a574a8
123aa2371538
131b9057551c
14d9153a820
157cd77debe
hex4b0b244bc

20144342204 has 12 divisors (see below), whose sum is σ = 40288684464. Its totient is φ = 8633289504.

The previous prime is 20144342201. The next prime is 20144342227. The reversal of 20144342204 is 40224344102.

It is a happy number.

20144342204 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20144342201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359720369 + ... + 359720424.

It is an arithmetic number, because the mean of its divisors is an integer number (3357390372).

Almost surely, 220144342204 is an apocalyptic number.

It is an amenable number.

20144342204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20144342204 is a wasteful number, since it uses less digits than its factorization.

20144342204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719440804 (or 719440802 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20144342204 its reverse (40224344102), we get a palindrome (60368686306).

The spelling of 20144342204 in words is "twenty billion, one hundred forty-four million, three hundred forty-two thousand, two hundred four".

Divisors: 1 2 4 7 14 28 719440793 1438881586 2877763172 5036085551 10072171102 20144342204