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1020020360 = 23525500509
BaseRepresentation
bin111100110011000…
…100011010001000
32122002100101212212
4330303010122020
54042111122420
6245114324252
734164013202
oct7463043210
92562311785
101020020360
11483858437
12245729688
13133429958
149967d772
155e8383c5
hex3ccc4688

1020020360 has 16 divisors (see below), whose sum is σ = 2295045900. Its totient is φ = 408008128.

The previous prime is 1020020333. The next prime is 1020020381. The reversal of 1020020360 is 630200201.

It can be written as a sum of positive squares in 2 ways, for example, as 1008824644 + 11195716 = 31762^2 + 3346^2 .

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, 12750215 + ... + 12750294.

Almost surely, 21020020360 is an apocalyptic number.

1020020360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020020360 is an abundant number, since it is smaller than the sum of its proper divisors (1275025540).

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

1020020360 is a wasteful number, since it uses less digits than its factorization.

1020020360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500520 (or 25500516 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1020020360 is about 31937.7575919162. The cubic root of 1020020360 is about 1006.6294071751.

Adding to 1020020360 its reverse (630200201), we get a palindrome (1650220561).

The spelling of 1020020360 in words is "one billion, twenty million, twenty thousand, three hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 25500509 51001018 102002036 127502545 204004072 255005090 510010180 1020020360