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2222240244020 = 225175403633467
BaseRepresentation
bin100000010101100111110…
…101110010000100110100
321212102222202001222202222
4200111213311302010310
5242402122000302040
64420514424421512
7316360120260446
oct40254765620464
97772882058688
102222240244020
117874a0758545
122ba827917898
13131730410444
14797b25ac496
153cc13bd8bb5
hex20567d72134

2222240244020 has 24 divisors (see below), whose sum is σ = 4666738485024. Its totient is φ = 888889626656.

The previous prime is 2222240243987. The next prime is 2222240244043. The reversal of 2222240244020 is 204420422222.

It is a super-3 number, since 3×22222402440203 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3191327 + ... + 3824793.

It is an arithmetic number, because the mean of its divisors is an integer number (194447436876).

Almost surely, 22222240244020 is an apocalyptic number.

2222240244020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222240244020 is an abundant number, since it is smaller than the sum of its proper divisors (2444498241004).

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

2222240244020 is a wasteful number, since it uses less digits than its factorization.

2222240244020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808879 (or 808877 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 2222240244020 its reverse (204420422222), we get a palindrome (2426660666242).

The spelling of 2222240244020 in words is "two trillion, two hundred twenty-two billion, two hundred forty million, two hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 175403 350806 633467 701612 877015 1266934 1754030 2533868 3167335 3508060 6334670 12669340 111112012201 222224024402 444448048804 555560061005 1111120122010 2222240244020