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13302020 = 225798419
BaseRepresentation
bin110010101111…
…100100000100
3221000210221102
4302233210010
511401131040
61153035232
7221031254
oct62574404
927023842
1013302020
117566006
124555b18
1329a9824
141aa3964
15127b515
hexcaf904

13302020 has 24 divisors (see below), whose sum is σ = 28291200. Its totient is φ = 5252832.

The previous prime is 13302019. The next prime is 13302049. The reversal of 13302020 is 2020331.

It is a junction number, because it is equal to n+sod(n) for n = 13301992 and 13302010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630 + ... + 5789.

It is an arithmetic number, because the mean of its divisors is an integer number (1178800).

Almost surely, 213302020 is an apocalyptic number.

13302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13302020 is an abundant number, since it is smaller than the sum of its proper divisors (14989180).

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

13302020 is a wasteful number, since it uses less digits than its factorization.

13302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507 (or 8505 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 13302020 is about 3647.1934415383. The cubic root of 13302020 is about 236.9404444824.

Adding to 13302020 its reverse (2020331), we get a palindrome (15322351).

The spelling of 13302020 in words is "thirteen million, three hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 8419 16838 33676 42095 84190 168380 665101 1330202 2660404 3325505 6651010 13302020