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44020125020 = 2258592562289
BaseRepresentation
bin101000111111110011…
…011100110101011100
311012121211122001021202
4220333303130311130
51210123123000040
632120024015032
73115600613624
oct507763346534
9135554561252
1044020125020
111773a238513
128646301478
1341c6bcc271
1421b847d884
1512298d5015
hexa3fcdcd5c

44020125020 has 24 divisors (see below), whose sum is σ = 92549914800. Its totient is φ = 17587544832.

The previous prime is 44020125013. The next prime is 44020125029. The reversal of 44020125020 is 2052102044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 44020124983 and 44020125001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44020125029) 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, 1263965 + ... + 1298324.

It is an arithmetic number, because the mean of its divisors is an integer number (3856246450).

Almost surely, 244020125020 is an apocalyptic number.

It is an amenable number.

44020125020 is an abundant number, since it is smaller than the sum of its proper divisors (48529789780).

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

44020125020 is a wasteful number, since it uses less digits than its factorization.

44020125020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563157 (or 2563155 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 44020125020 its reverse (2052102044), we get a palindrome (46072227064).

The spelling of 44020125020 in words is "forty-four billion, twenty million, one hundred twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 20 859 1718 3436 4295 8590 17180 2562289 5124578 10249156 12811445 25622890 51245780 2201006251 4402012502 8804025004 11005031255 22010062510 44020125020