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211003032020 = 2251117311819933
BaseRepresentation
bin1100010010000011000…
…0101100000111010100
3202011122011102121212212
43010200300230013110
511424113234011040
6240533343132552
721146565115364
oct3044060540724
9664564377785
10211003032020
118153878aaa0
1234a885a4158
1316b88a68901
14a2d95409a4
15574e411d65
hex3120c2c1d4

211003032020 has 96 divisors (see below), whose sum is σ = 528334119936. Its totient is φ = 69885388800.

The previous prime is 211003031959. The next prime is 211003032059. The reversal of 211003032020 is 20230300112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211003031986 and 211003032004.

It is a congruent number.

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, 794027 + ... + 1025906.

It is an arithmetic number, because the mean of its divisors is an integer number (5503480416).

Almost surely, 2211003032020 is an apocalyptic number.

211003032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211003032020 is an abundant number, since it is smaller than the sum of its proper divisors (317331087916).

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

211003032020 is a wasteful number, since it uses less digits than its factorization.

211003032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820001 (or 1819999 counting only the distinct ones).

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

Adding to 211003032020 its reverse (20230300112), we get a palindrome (231233332132).

The spelling of 211003032020 in words is "two hundred eleven billion, three million, thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 17 20 22 31 34 44 55 62 68 85 110 124 155 170 187 220 310 340 341 374 527 620 682 748 935 1054 1364 1705 1870 2108 2635 3410 3740 5270 5797 6820 10540 11594 23188 28985 57970 115940 1819933 3639866 7279732 9099665 18199330 20019263 30938861 36398660 40038526 56417923 61877722 80077052 100096315 112835846 123755444 154694305 200192630 225671692 282089615 309388610 340327471 400385260 564179230 618777220 620597153 680654942 959104691 1128358460 1241194306 1361309884 1701637355 1918209382 2482388612 3102985765 3403274710 3836418764 4795523455 6205971530 6806549420 9591046910 10550151601 12411943060 19182093820 21100303202 42200606404 52750758005 105501516010 211003032020