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42020003320 = 2351709614687
BaseRepresentation
bin100111001000100101…
…100101110111111000
311000110110001100010021
4213020211211313320
51142024110101240
631145334300224
73015203064211
oct471045456770
9130413040107
1042020003320
1116903218479
1281884b7674
133c687116b9
142068992408
15115deeb54a
hex9c8965df8

42020003320 has 32 divisors (see below), whose sum is σ = 94600483200. Its totient is φ = 16798139008.

The previous prime is 42020003309. The next prime is 42020003329. The reversal of 42020003320 is 2330002024.

It is a super-2 number, since 2×420200033202 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42020003294 and 42020003303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020003329) 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, 238984 + ... + 375703.

It is an arithmetic number, because the mean of its divisors is an integer number (2956265100).

Almost surely, 242020003320 is an apocalyptic number.

42020003320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42020003320 is an abundant number, since it is smaller than the sum of its proper divisors (52580479880).

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

42020003320 is a wasteful number, since it uses less digits than its factorization.

42020003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616407 (or 616403 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 42020003320 its reverse (2330002024), we get a palindrome (44350005344).

The spelling of 42020003320 in words is "forty-two billion, twenty million, three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1709 3418 6836 8545 13672 17090 34180 68360 614687 1229374 2458748 3073435 4917496 6146870 12293740 24587480 1050500083 2101000166 4202000332 5252500415 8404000664 10505000830 21010001660 42020003320