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20444073320 = 2351146463803
BaseRepresentation
bin10011000010100011…
…111100110101101000
31221202210010112022202
4103002203330311220
5313332140321240
613220351235332
71322423520206
oct230243746550
957683115282
1020444073320
118741167970
123b66818b48
131c0a6aab08
14dbd280076
157e9c38315
hex4c28fcd68

20444073320 has 32 divisors (see below), whose sum is σ = 50180908320. Its totient is φ = 7434208320.

The previous prime is 20444073317. The next prime is 20444073329. The reversal of 20444073320 is 2337044402.

It is not an unprimeable number, because it can be changed into a prime (20444073329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23231462 + ... + 23232341.

It is an arithmetic number, because the mean of its divisors is an integer number (1568153385).

Almost surely, 220444073320 is an apocalyptic number.

20444073320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20444073320 is an abundant number, since it is smaller than the sum of its proper divisors (29736835000).

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

20444073320 is a wasteful number, since it uses less digits than its factorization.

20444073320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46463825 (or 46463821 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 29.

The spelling of 20444073320 in words is "twenty billion, four hundred forty-four million, seventy-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 46463803 92927606 185855212 232319015 371710424 464638030 511101833 929276060 1022203666 1858552120 2044407332 2555509165 4088814664 5111018330 10222036660 20444073320