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20120422330 = 2553711513541
BaseRepresentation
bin10010101111010001…
…010100011110111010
31220221020010100122001
4102233101110132322
5312201312003310
613124310251214
71311413524261
oct225721243672
956836110561
1020120422330
1185954aa108
123a96356b0a
131b8861bb58
14d8c2b15d8
157cb60693a
hex4af4547ba

20120422330 has 64 divisors (see below), whose sum is σ = 37678265856. Its totient is φ = 7731360000.

The previous prime is 20120422327. The next prime is 20120422339. The reversal of 20120422330 is 3322402102.

It is a junction number, because it is equal to n+sod(n) for n = 20120422298 and 20120422307.

It is not an unprimeable number, because it can be changed into a prime (20120422339) 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 31 ways as a sum of consecutive naturals, for example, 5680360 + ... + 5683900.

It is an arithmetic number, because the mean of its divisors is an integer number (588722904).

Almost surely, 220120422330 is an apocalyptic number.

20120422330 is a deficient number, since it is larger than the sum of its proper divisors (17557843526).

20120422330 is a wasteful number, since it uses less digits than its factorization.

20120422330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20120422330 its reverse (3322402102), we get a palindrome (23442824432).

The spelling of 20120422330 in words is "twenty billion, one hundred twenty million, four hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 53 71 106 142 151 265 302 355 530 710 755 1510 3541 3763 7082 7526 8003 10721 16006 17705 18815 21442 35410 37630 40015 53605 80030 107210 187673 251411 375346 502822 534691 568213 938365 1069382 1136426 1257055 1876730 2514110 2673455 2841065 5346910 5682130 13324783 26649566 28338623 37963061 56677246 66623915 75926122 133247830 141693115 189815305 283386230 379630610 2012042233 4024084466 10060211165 20120422330