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44440022020 = 22517312843937
BaseRepresentation
bin101001011000110101…
…001110110000000100
311020201002202000200111
4221120311032300010
51212003121201040
632225423522404
73132156645262
oct513065166004
9136632660614
1044440022020
1117935263329
128742a59404
134262bb9124
142218143432
1512516c8dea
hexa58d4ec04

44440022020 has 24 divisors (see below), whose sum is σ = 93863498904. Its totient is φ = 17673255936.

The previous prime is 44440022017. The next prime is 44440022027. The reversal of 44440022020 is 2022004444.

It can be written as a sum of positive squares in 4 ways, for example, as 24709324864 + 19730697156 = 157192^2 + 140466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44440021982 and 44440022000.

It is not an unprimeable number, because it can be changed into a prime (44440022027) 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, 6418509 + ... + 6425428.

It is an arithmetic number, because the mean of its divisors is an integer number (3910979121).

Almost surely, 244440022020 is an apocalyptic number.

It is an amenable number.

44440022020 is an abundant number, since it is smaller than the sum of its proper divisors (49423476884).

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

44440022020 is a wasteful number, since it uses less digits than its factorization.

44440022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12844119 (or 12844117 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 44440022020 its reverse (2022004444), we get a palindrome (46462026464).

The spelling of 44440022020 in words is "forty-four billion, four hundred forty million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 173 346 692 865 1730 3460 12843937 25687874 51375748 64219685 128439370 256878740 2222001101 4444002202 8888004404 11110005505 22220011010 44440022020