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13202241220 = 225794301723
BaseRepresentation
bin11000100101110101…
…00011011011000100
31021002002100100021001
430102322203123010
5204014233204340
610022013503044
7645110125120
oct142272433304
937062310231
1013202241220
115665359263
1226854a1a84
13132526216c
148d3572580
155240a029a
hex312ea36c4

13202241220 has 24 divisors (see below), whose sum is σ = 31685379264. Its totient is φ = 4526482656.

The previous prime is 13202241167. The next prime is 13202241263. The reversal of 13202241220 is 2214220231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47150722 + ... + 47151001.

It is an arithmetic number, because the mean of its divisors is an integer number (1320224136).

Almost surely, 213202241220 is an apocalyptic number.

13202241220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13202241220 is an abundant number, since it is smaller than the sum of its proper divisors (18483138044).

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

13202241220 is a wasteful number, since it uses less digits than its factorization.

13202241220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94301739 (or 94301737 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 13202241220 its reverse (2214220231), we get a palindrome (15416461451).

The spelling of 13202241220 in words is "thirteen billion, two hundred two million, two hundred forty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 94301723 188603446 377206892 471508615 660112061 943017230 1320224122 1886034460 2640448244 3300560305 6601120610 13202241220