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202303201020 = 223519841169937
BaseRepresentation
bin1011110001101000110…
…1011101111011111100
3201100011212011102022220
42330122031131323330
511303304104413040
6232534203405340
720421155556534
oct2743215357374
9640155142286
10202303201020
1178883979218
123325ab23850
131610054530b
149b11d444c4
1553e07792d0
hex2f1a35defc

202303201020 has 48 divisors (see below), whose sum is σ = 566480845728. Its totient is φ = 53944483840.

The previous prime is 202303201013. The next prime is 202303201031. The reversal of 202303201020 is 20102303202.

202303201020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105492 + ... + 1275428.

It is an arithmetic number, because the mean of its divisors is an integer number (11801684286).

Almost surely, 2202303201020 is an apocalyptic number.

202303201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202303201020 is an abundant number, since it is smaller than the sum of its proper divisors (364177644708).

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

202303201020 is a wasteful number, since it uses less digits than its factorization.

202303201020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189790 (or 189788 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 202303201020 its reverse (20102303202), we get a palindrome (222405504222).

The spelling of 202303201020 in words is "two hundred two billion, three hundred three million, two hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 19841 39682 59523 79364 99205 119046 169937 198410 238092 297615 339874 396820 509811 595230 679748 849685 1019622 1190460 1699370 2039244 2549055 3398740 5098110 10196220 3371720017 6743440034 10115160051 13486880068 16858600085 20230320102 33717200170 40460640204 50575800255 67434400340 101151600510 202303201020