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20200000212 = 2233741651697
BaseRepresentation
bin10010110100000000…
…111000101011010100
31221010202212022222000
4102310000320223110
5312332200001322
613140232035300
71313401111620
oct226400705324
957122768860
1020200000212
118626412157
123ab8b32b30
131b9bc62062
14d98aa8180
157d35c53ac
hex4b4038ad4

20200000212 has 96 divisors (see below), whose sum is σ = 61311747840. Its totient is φ = 5630653440.

The previous prime is 20200000201. The next prime is 20200000231. The reversal of 20200000212 is 21200000202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20200000194 and 20200000203.

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, 294853 + ... + 356844.

It is an arithmetic number, because the mean of its divisors is an integer number (638664040).

Almost surely, 220200000212 is an apocalyptic number.

It is an amenable number.

20200000212 is an abundant number, since it is smaller than the sum of its proper divisors (41111747628).

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

20200000212 is a wasteful number, since it uses less digits than its factorization.

20200000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651758 (or 651750 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20200000212 its reverse (21200000202), we get a palindrome (41400000414).

The spelling of 20200000212 in words is "twenty billion, two hundred million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 41 42 54 63 82 84 108 123 126 164 189 246 252 287 369 378 492 574 738 756 861 1107 1148 1476 1722 2214 2583 3444 4428 5166 7749 10332 15498 30996 651697 1303394 1955091 2606788 3910182 4561879 5865273 7820364 9123758 11730546 13685637 17595819 18247516 23461092 26719577 27371274 35191638 41056911 53439154 54742548 70383276 80158731 82113822 106878308 123170733 160317462 164227644 187037039 240476193 246341466 320634924 374074078 480952386 492682932 561111117 721428579 748148156 961904772 1122222234 1442857158 1683333351 2244444468 2885714316 3366666702 5050000053 6733333404 10100000106 20200000212