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220220082 = 23283223661
BaseRepresentation
bin11010010000001…
…00101010110010
3120100101100011100
431020010222302
5422334020312
633504025230
75312561025
oct1510045262
9510340140
10220220082
11103343675
1261902216
1336816954
14213671bc
15145005dc
hexd204ab2

220220082 has 48 divisors (see below), whose sum is σ = 485791488. Its totient is φ = 72087840.

The previous prime is 220220069. The next prime is 220220083. The reversal of 220220082 is 280022022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (220220083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332832 + ... + 333492.

It is an arithmetic number, because the mean of its divisors is an integer number (10120656).

Almost surely, 2220220082 is an apocalyptic number.

220220082 is an abundant number, since it is smaller than the sum of its proper divisors (265571406).

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

220220082 is a wasteful number, since it uses less digits than its factorization.

220220082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 220220082 is about 14839.8140823934. The cubic root of 220220082 is about 603.8823086187.

The spelling of 220220082 in words is "two hundred twenty million, two hundred twenty thousand, eighty-two".

Divisors: 1 2 3 6 9 18 83 166 223 249 446 498 661 669 747 1322 1338 1494 1983 2007 3966 4014 5949 11898 18509 37018 54863 55527 109726 111054 147403 164589 166581 294806 329178 333162 442209 493767 884418 987534 1326627 2653254 12234449 24468898 36703347 73406694 110110041 220220082