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203242025220 = 223513541481639
BaseRepresentation
bin1011110101001000101…
…0110011000100000100
3201102121021201122000120
42331102022303010010
511312214424301340
6233211301541540
720453345465403
oct2752212630404
9642537648016
10203242025220
1179215908793
12334814148b0
131621cbb32b0
149ba08c963a
155447dc44d0
hex2f522b3104

203242025220 has 96 divisors (see below), whose sum is σ = 613986965760. Its totient is φ = 49936227840.

The previous prime is 203242025201. The next prime is 203242025263. The reversal of 203242025220 is 22520242302.

203242025220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181161 + ... + 662799.

It is an arithmetic number, because the mean of its divisors is an integer number (6395697560).

Almost surely, 2203242025220 is an apocalyptic number.

203242025220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203242025220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306993482880).

203242025220 is an abundant number, since it is smaller than the sum of its proper divisors (410744940540).

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

203242025220 is a wasteful number, since it uses less digits than its factorization.

203242025220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482205 (or 482203 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 203242025220 its reverse (22520242302), we get a palindrome (225762267522).

The spelling of 203242025220 in words is "two hundred three billion, two hundred forty-two million, twenty-five thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 541 780 1082 1623 2164 2705 3246 5410 6492 7033 8115 10820 14066 16230 21099 28132 32460 35165 42198 70330 84396 105495 140660 210990 421980 481639 963278 1444917 1926556 2408195 2889834 4816390 5779668 6261307 7224585 9632780 12522614 14449170 18783921 25045228 28898340 31306535 37567842 62613070 75135684 93919605 125226140 187839210 260566699 375678420 521133398 781700097 1042266796 1302833495 1563400194 2605666990 3126800388 3387367087 3908500485 5211333980 6774734174 7817000970 10162101261 13549468348 15634001940 16936835435 20324202522 33873670870 40648405044 50810506305 67747341740 101621012610 203242025220