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20200002202220 = 2251785381695843
BaseRepresentation
bin1001001011111001011011…
…11101001010101001101100
32122112002201212220002000212
410211330231331022221230
510121424101030432340
6110543430343241552
74153254612500231
oct445745575125154
978462655802025
1020200002202220
1164888556a2855
122322a8ba492b8
13b36b0cbc43a9
144db984753788
152506ad5e2a65
hex125f2df4aa6c

20200002202220 has 48 divisors (see below), whose sum is σ = 44915889620448. Its totient is φ = 7604606714880.

The previous prime is 20200002202201. The next prime is 20200002202223. The reversal of 20200002202220 is 2220220000202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20200002202195 and 20200002202204.

It is not an unprimeable number, because it can be changed into a prime (20200002202223) 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, 28681619 + ... + 29377461.

It is an arithmetic number, because the mean of its divisors is an integer number (935747700426).

Almost surely, 220200002202220 is an apocalyptic number.

20200002202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200002202220 is an abundant number, since it is smaller than the sum of its proper divisors (24715887418228).

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

20200002202220 is a wasteful number, since it uses less digits than its factorization.

20200002202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781250 (or 781248 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20200002202220 its reverse (2220220000202), we get a palindrome (22420222202422).

The spelling of 20200002202220 in words is "twenty trillion, two hundred billion, two million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 85381 170762 341524 426905 695843 853810 1391686 1451477 1707620 2783372 2902954 3479215 5805908 6958430 7257385 11829331 13916860 14514770 23658662 29029540 47317324 59146655 118293310 236586620 59411771183 118823542366 237647084732 297058855915 594117711830 1010000110111 1188235423660 2020000220222 4040000440444 5050000550555 10100001101110 20200002202220