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2030505520 = 24525381319
BaseRepresentation
bin111100100000111…
…0000111000110000
312020111202100221011
41321001300320300
513124302134040
6533252440304
7101214004111
oct17101607060
95214670834
102030505520
1195219293a
12488019094
13264898474
1415395a208
15bd3db3ea
hex79070e30

2030505520 has 20 divisors (see below), whose sum is σ = 4720925520. Its totient is φ = 812202176.

The previous prime is 2030505511. The next prime is 2030505571. The reversal of 2030505520 is 255050302.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2030505491 and 2030505500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12690580 + ... + 12690739.

It is an arithmetic number, because the mean of its divisors is an integer number (236046276).

Almost surely, 22030505520 is an apocalyptic number.

2030505520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030505520 is an abundant number, since it is smaller than the sum of its proper divisors (2690420000).

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

2030505520 is a wasteful number, since it uses less digits than its factorization.

2030505520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25381332 (or 25381326 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 2030505520 is about 45061.1309223370. The cubic root of 2030505520 is about 1266.2945123993.

Adding to 2030505520 its reverse (255050302), we get a palindrome (2285555822).

The spelling of 2030505520 in words is "two billion, thirty million, five hundred five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 25381319 50762638 101525276 126906595 203050552 253813190 406101104 507626380 1015252760 2030505520