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22010220220 = 2255926969341
BaseRepresentation
bin10100011111111010…
…010100111010111100
32002210221010000222111
4110133322110322330
5330034104021340
614040015223404
71406301533152
oct243772247274
962727100874
1022010220220
11937521724a
124323217b64
1320c9cbcb61
1410cb2813d2
1588c49baea
hex51fe94ebc

22010220220 has 48 divisors (see below), whose sum is σ = 47180296800. Its totient is φ = 8622567680.

The previous prime is 22010220209. The next prime is 22010220223. The reversal of 22010220220 is 2202201022.

It is a self number, because there is not a number n which added to its sum of digits gives 22010220220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010220223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282750 + ... + 352090.

It is an arithmetic number, because the mean of its divisors is an integer number (982922850).

Almost surely, 222010220220 is an apocalyptic number.

22010220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22010220220 is an abundant number, since it is smaller than the sum of its proper divisors (25170076580).

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

22010220220 is a wasteful number, since it uses less digits than its factorization.

22010220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69678 (or 69676 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22010220220 its reverse (2202201022), we get a palindrome (24212421242).

The spelling of 22010220220 in words is "twenty-two billion, ten million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 236 269 295 538 590 1076 1180 1345 2690 5380 15871 31742 63484 69341 79355 138682 158710 277364 317420 346705 693410 1386820 4091119 8182238 16364476 18652729 20455595 37305458 40911190 74610916 81822380 93263645 186527290 373054580 1100511011 2201022022 4402044044 5502555055 11005110110 22010220220