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22101020120 = 2352693205171
BaseRepresentation
bin10100100101010100…
…101100110111011000
32010001020222011000202
4110211110230313120
5330230330120440
614053021321332
71411453366664
oct244524546730
963036864022
1022101020120
1194114a4593
124349706248
132112a61bca
1410d93598a4
15895435615
hex52552cdd8

22101020120 has 32 divisors (see below), whose sum is σ = 49746003120. Its totient is φ = 8837082240.

The previous prime is 22101020113. The next prime is 22101020131. The reversal of 22101020120 is 2102010122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5135 + ... + 210305.

Almost surely, 222101020120 is an apocalyptic number.

22101020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101020120 is an abundant number, since it is smaller than the sum of its proper divisors (27644983000).

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

22101020120 is a wasteful number, since it uses less digits than its factorization.

22101020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207875 (or 207871 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22101020120 its reverse (2102010122), we get a palindrome (24203030242).

The spelling of 22101020120 in words is "twenty-two billion, one hundred one million, twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2693 5386 10772 13465 21544 26930 53860 107720 205171 410342 820684 1025855 1641368 2051710 4103420 8206840 552525503 1105051006 2210102012 2762627515 4420204024 5525255030 11050510060 22101020120