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2042041220 = 225727140443
BaseRepresentation
bin111100110110111…
…0001001110000100
312021022110102221022
41321231301032010
513140230304340
6534344010312
7101414030642
oct17155611604
95238412838
102042041220
1195875187a
1248ba60998
132670a701b
141552c0192
15be4193b5
hex79b71384

2042041220 has 24 divisors (see below), whose sum is σ = 4294215744. Its totient is φ = 815687136.

The previous prime is 2042041219. The next prime is 2042041259. The reversal of 2042041220 is 221402402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55682 + ... + 84761.

It is an arithmetic number, because the mean of its divisors is an integer number (178925656).

Almost surely, 22042041220 is an apocalyptic number.

2042041220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042041220 is an abundant number, since it is smaller than the sum of its proper divisors (2252174524).

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

2042041220 is a wasteful number, since it uses less digits than its factorization.

2042041220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141179 (or 141177 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2042041220 is about 45188.9501980296. The cubic root of 2042041220 is about 1268.6880079395.

Adding to 2042041220 its reverse (221402402), we get a palindrome (2263443622).

The spelling of 2042041220 in words is "two billion, forty-two million, forty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 727 1454 2908 3635 7270 14540 140443 280886 561772 702215 1404430 2808860 102102061 204204122 408408244 510510305 1021020610 2042041220