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22021202120 = 2352095926267
BaseRepresentation
bin10100100000100100…
…001110000011001000
32002211200202222022112
4110200210032003020
5330044411431440
614041050441452
71406464062311
oct244044160310
962750688275
1022021202120
1193804380a5
124326a33288
1320cc366618
1410cc8dd608
1588d41a965
hex52090e0c8

22021202120 has 32 divisors (see below), whose sum is σ = 49551955200. Its totient is φ = 8807725248.

The previous prime is 22021202117. The next prime is 22021202143. The reversal of 22021202120 is 2120212022.

It is a junction number, because it is equal to n+sod(n) for n = 22021202095 and 22021202104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825227 + ... + 851493.

It is an arithmetic number, because the mean of its divisors is an integer number (1548498600).

Almost surely, 222021202120 is an apocalyptic number.

22021202120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021202120 is an abundant number, since it is smaller than the sum of its proper divisors (27530753080).

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

22021202120 is a wasteful number, since it uses less digits than its factorization.

22021202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47237 (or 47233 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22021202120 its reverse (2120212022), we get a palindrome (24141414142).

The spelling of 22021202120 in words is "twenty-two billion, twenty-one million, two hundred two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 20959 26267 41918 52534 83836 104795 105068 131335 167672 209590 210136 262670 419180 525340 838360 1050680 550530053 1101060106 2202120212 2752650265 4404240424 5505300530 11010601060 22021202120