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110202200000020 = 22531177745483871
BaseRepresentation
bin11001000011101001110010…
…111111000000011000010100
3112110012020010210112001021201
4121003221302333000120110
5103421023101200000040
61030214105231322244
732132563151253022
oct3103516277003024
9473166123461251
10110202200000020
1132128543a30a27
1210439b11980384
13496503b321c9b
141d2db5a29d712
15cb192ada3a9a
hex643a72fc0614

110202200000020 has 24 divisors (see below), whose sum is σ = 238889930323968. Its totient is φ = 42658916128800.

The previous prime is 110202200000017. The next prime is 110202200000021. The reversal of 110202200000020 is 20000002202011.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 110202199999952 and 110202200000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110202200000021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88872741316 + ... + 88872742555.

It is an arithmetic number, because the mean of its divisors is an integer number (9953747096832).

Almost surely, 2110202200000020 is an apocalyptic number.

110202200000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110202200000020 is an abundant number, since it is smaller than the sum of its proper divisors (128687730323948).

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

110202200000020 is a wasteful number, since it uses less digits than its factorization.

110202200000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177745483911 (or 177745483909 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 110202200000020 its reverse (20000002202011), we get a palindrome (130202202202031).

The spelling of 110202200000020 in words is "one hundred ten trillion, two hundred two billion, two hundred million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 177745483871 355490967742 710981935484 888727419355 1777454838710 3554909677420 5510110000001 11020220000002 22040440000004 27550550000005 55101100000010 110202200000020