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122020022220 = 22353083659639
BaseRepresentation
bin111000110100011110…
…1011100011111001100
3102122221210012101001020
41301220331130133030
53444344111202340
6132015532314140
711546525035005
oct1615075343714
9378853171036
10122020022220
1147826137778
121b794312950
13b677851ca5
145c977341ac
1532924c09d0
hex1c68f5c7cc

122020022220 has 48 divisors (see below), whose sum is σ = 341767399680. Its totient is φ = 32528069056.

The previous prime is 122020022207. The next prime is 122020022237. The reversal of 122020022220 is 22220020221.

122020022220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122020022220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144840 + ... + 514799.

It is an arithmetic number, because the mean of its divisors is an integer number (7120154160).

Almost surely, 2122020022220 is an apocalyptic number.

122020022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122020022220 is an abundant number, since it is smaller than the sum of its proper divisors (219747377460).

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

122020022220 is a wasteful number, since it uses less digits than its factorization.

122020022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662734 (or 662732 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 122020022220 its reverse (22220020221), we get a palindrome (144240042441).

The spelling of 122020022220 in words is "one hundred twenty-two billion, twenty million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3083 6166 9249 12332 15415 18498 30830 36996 46245 61660 92490 184980 659639 1319278 1978917 2638556 3298195 3957834 6596390 7915668 9894585 13192780 19789170 39578340 2033667037 4067334074 6101001111 8134668148 10168335185 12202002222 20336670370 24404004444 30505005555 40673340740 61010011110 122020022220