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244242220420 = 225111110191911
BaseRepresentation
bin1110001101110111111…
…0001000010110000100
3212100102122211100101201
43203131332020112010
513000202002023140
6304111530232244
723434356422242
oct3433576102604
9770378740351
10244242220420
1194645403230
123b404285684
131a055240823
14bb6dc55792
1565475ca49a
hex38ddf88584

244242220420 has 24 divisors (see below), whose sum is σ = 559536723648. Its totient is φ = 88815352800.

The previous prime is 244242220373. The next prime is 244242220421. The reversal of 244242220420 is 24022242442.

244242220420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (244242220421) 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, 555095736 + ... + 555096175.

It is an arithmetic number, because the mean of its divisors is an integer number (23314030152).

Almost surely, 2244242220420 is an apocalyptic number.

244242220420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244242220420 is an abundant number, since it is smaller than the sum of its proper divisors (315294503228).

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

244242220420 is a wasteful number, since it uses less digits than its factorization.

244242220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110191931 (or 1110191929 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 244242220420 its reverse (24022242442), we get a palindrome (268264462862).

The spelling of 244242220420 in words is "two hundred forty-four billion, two hundred forty-two million, two hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1110191911 2220383822 4440767644 5550959555 11101919110 12212111021 22203838220 24424222042 48848444084 61060555105 122121110210 244242220420