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20332220244 = 22372069116989
BaseRepresentation
bin10010111011111001…
…010000111101010100
31221110222122210202020
4102323321100331110
5313120022021434
613201314013140
71316565010020
oct227371207524
957428583666
1020332220244
118694010006
123b352771b0
131bc047716b
14dac485380
157deee1849
hex4bbe50f54

20332220244 has 48 divisors (see below), whose sum is σ = 54245923200. Its totient is φ = 5806348416.

The previous prime is 20332220243. The next prime is 20332220299. The reversal of 20332220244 is 44202223302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332220243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115302 + ... + 232290.

It is an arithmetic number, because the mean of its divisors is an integer number (1130123400).

Almost surely, 220332220244 is an apocalyptic number.

It is an amenable number.

20332220244 is an abundant number, since it is smaller than the sum of its proper divisors (33913702956).

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

20332220244 is a wasteful number, since it uses less digits than its factorization.

20332220244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119072 (or 119070 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20332220244 its reverse (44202223302), we get a palindrome (64534443546).

The spelling of 20332220244 in words is "twenty billion, three hundred thirty-two million, two hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2069 4138 6207 8276 12414 14483 24828 28966 43449 57932 86898 116989 173796 233978 350967 467956 701934 818923 1403868 1637846 2456769 3275692 4913538 9827076 242050241 484100482 726150723 968200964 1452301446 1694351687 2904602892 3388703374 5083055061 6777406748 10166110122 20332220244