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5520020 = 2251122281
BaseRepresentation
bin10101000011101010010100
3101101110001012
4111003222110
52403120040
6314151352
764630232
oct25035224
911343035
105520020
113130300
121a22558
1311b36ac
14a39952
15740865
hex543a94

5520020 has 36 divisors (see below), whose sum is σ = 12747252. Its totient is φ = 2006400.

The previous prime is 5520017. The next prime is 5520029. The reversal of 5520020 is 200255.

It can be written as a sum of positive squares in 2 ways, for example, as 2650384 + 2869636 = 1628^2 + 1694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5519977 and 5520004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5520029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1280 + ... + 3560.

Almost surely, 25520020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5520020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6373626).

5520020 is an abundant number, since it is smaller than the sum of its proper divisors (7227232).

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

5520020 is a wasteful number, since it uses less digits than its factorization.

5520020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 5520020 is about 2349.4722811729. The cubic root of 5520020 is about 176.7313318912.

Adding to 5520020 its reverse (200255), we get a palindrome (5720275).

It can be divided in two parts, 5 and 520020, that added together give a palindrome (520025).

The spelling of 5520020 in words is "five million, five hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2281 2420 4562 9124 11405 22810 25091 45620 50182 100364 125455 250910 276001 501820 552002 1104004 1380005 2760010 5520020