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20202201210 = 23531592831301
BaseRepresentation
bin10010110100001001…
…010010000001111010
31221010221000011011110
4102310021102001322
5312333230414320
613140351141150
71313425606542
oct226411220172
957127004143
1020202201210
118627685864
123ab98147b6
131b9c552b19
14d990bc322
157d38ac5e0
hex4b425207a

20202201210 has 128 divisors (see below), whose sum is σ = 51116728320. Its totient is φ = 5103072000.

The previous prime is 20202201163. The next prime is 20202201223. The reversal of 20202201210 is 1210220202.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15527560 + ... + 15528860.

It is an arithmetic number, because the mean of its divisors is an integer number (399349440).

Almost surely, 220202201210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202201210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25558364160).

20202201210 is an abundant number, since it is smaller than the sum of its proper divisors (30914527110).

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

20202201210 is a wasteful number, since it uses less digits than its factorization.

20202201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202201210 its reverse (1210220202), we get a palindrome (21412421412).

The spelling of 20202201210 in words is "twenty billion, two hundred two million, two hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 59 62 93 118 155 177 186 283 295 310 354 465 566 590 849 885 930 1301 1415 1698 1770 1829 2602 2830 3658 3903 4245 5487 6505 7806 8490 8773 9145 10974 13010 16697 17546 18290 19515 26319 27435 33394 39030 40331 43865 50091 52638 54870 76759 80662 83485 87730 100182 120993 131595 153518 166970 201655 230277 241986 250455 263190 368183 383795 403310 460554 500910 517607 604965 736366 767590 1035214 1104549 1151385 1209930 1552821 1840915 2209098 2302770 2379529 2588035 3105642 3681830 4759058 5176070 5522745 7138587 7764105 11045490 11413673 11897645 14277174 15528210 21722797 22827346 23795290 34241019 35692935 43445594 57068365 65168391 68482038 71385870 108613985 114136730 130336782 171205095 217227970 325841955 342410190 651683910 673406707 1346813414 2020220121 3367033535 4040440242 6734067070 10101100605 20202201210