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2022002221220 = 225201150273551
BaseRepresentation
bin11101011011001000101…
…110010110000010100100
321011022010210220111101022
4131123020232112002210
5231112030032034340
64144521152550312
7266041046204432
oct35331056260244
97138123814338
102022002221220
1170a5875a4293
12287a64552398
1311889b9b3397
146dc18a4bd52
15378e48e93b5
hex1d6c8b960a4

2022002221220 has 24 divisors (see below), whose sum is σ = 4248316238208. Its totient is φ = 808398684000.

The previous prime is 2022002221199. The next prime is 2022002221223. The reversal of 2022002221220 is 221222002202.

It is a super-2 number, since 2×20220022212202 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2022002221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25096556 + ... + 25176995.

It is an arithmetic number, because the mean of its divisors is an integer number (177013176592).

Almost surely, 22022002221220 is an apocalyptic number.

2022002221220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022002221220 is an abundant number, since it is smaller than the sum of its proper divisors (2226314016988).

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

2022002221220 is a wasteful number, since it uses less digits than its factorization.

2022002221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50275571 (or 50275569 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2022002221220 its reverse (221222002202), we get a palindrome (2243224223422).

The spelling of 2022002221220 in words is "two trillion, twenty-two billion, two million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 2011 4022 8044 10055 20110 40220 50273551 100547102 201094204 251367755 502735510 1005471020 101100111061 202200222122 404400444244 505500555305 1011001110610 2022002221220