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220241024220 = 22357274911913
BaseRepresentation
bin1100110100011101100…
…0110101010011011100
3210001110222100020211010
43031013120311103130
512102023200233340
6245102145255220
721624530550300
oct3150730652334
9701428306733
10220241024220
1185449353298
1236826334510
13179cb915b99
14a9343c7d00
155ae044eb80
hex33476354dc

220241024220 has 72 divisors (see below), whose sum is σ = 717356488464. Its totient is φ = 50340804864.

The previous prime is 220241024197. The next prime is 220241024221. The reversal of 220241024220 is 22420142022.

It is a super-2 number, since 2×2202410242202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220241024221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37453017 + ... + 37458896.

It is an arithmetic number, because the mean of its divisors is an integer number (9963284562).

Almost surely, 2220241024220 is an apocalyptic number.

220241024220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220241024220 is an abundant number, since it is smaller than the sum of its proper divisors (497115464244).

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

220241024220 is a wasteful number, since it uses less digits than its factorization.

220241024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74911939 (or 74911930 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 220241024220 its reverse (22420142022), we get a palindrome (242661166242).

The spelling of 220241024220 in words is "two hundred twenty billion, two hundred forty-one million, twenty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 74911913 149823826 224735739 299647652 374559565 449471478 524383391 749119130 898942956 1048766782 1123678695 1498238260 1573150173 2097533564 2247357390 2621916955 3146300346 3670683737 4494714780 5243833910 6292600692 7341367474 7865750865 10487667820 11012051211 14682734948 15731501730 18353418685 22024102422 31463003460 36706837370 44048204844 55060256055 73413674740 110120512110 220241024220