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20211112200 = 23352113298099
BaseRepresentation
bin10010110100101011…
…010001100100001000
31221011112202212202010
4102310223101210020
5312343021042300
613141310135520
71313564422236
oct226453214410
957145685663
1020211112200
118631711814
123b007b15a0
131ba1352ab6
14d9a35b956
157d456ca50
hex4b4ad1908

20211112200 has 96 divisors (see below), whose sum is σ = 63209124000. Its totient is φ = 5341916160.

The previous prime is 20211112151. The next prime is 20211112297. The reversal of 20211112200 is 221111202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81250 + ... + 216849.

It is an arithmetic number, because the mean of its divisors is an integer number (658428375).

Almost surely, 220211112200 is an apocalyptic number.

20211112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20211112200 is an abundant number, since it is smaller than the sum of its proper divisors (42998011800).

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

20211112200 is a wasteful number, since it uses less digits than its factorization.

20211112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298231 (or 298222 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20211112200 its reverse (221111202), we get a palindrome (20432223402).

The spelling of 20211112200 in words is "twenty billion, two hundred eleven million, one hundred twelve thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 113 120 150 200 226 300 339 452 565 600 678 904 1130 1356 1695 2260 2712 2825 3390 4520 5650 6780 8475 11300 13560 16950 22600 33900 67800 298099 596198 894297 1192396 1490495 1788594 2384792 2980990 3577188 4471485 5961980 7154376 7452475 8942970 11923960 14904950 17885940 22357425 29809900 33685187 35771880 44714850 59619800 67370374 89429700 101055561 134740748 168425935 178859400 202111122 269481496 336851870 404222244 505277805 673703740 808444488 842129675 1010555610 1347407480 1684259350 2021111220 2526389025 3368518700 4042222440 5052778050 6737037400 10105556100 20211112200