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10220212220 = 2251015059511
BaseRepresentation
bin10011000010010110…
…00000111111111100
3222101021010120111112
421201023000333330
5131412333242340
64410050341152
7511160241041
oct114113007774
928337116445
1010220212220
114375052789
121b9288a7b8
13c6b50066a
146cd4c71c8
153ec3ab065
hex2612c0ffc

10220212220 has 24 divisors (see below), whose sum is σ = 21674949408. Its totient is φ = 4047608000.

The previous prime is 10220212217. The next prime is 10220212231. The reversal of 10220212220 is 2221202201.

10220212220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10220212195 and 10220212204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2527736 + ... + 2531775.

It is an arithmetic number, because the mean of its divisors is an integer number (903122892).

Almost surely, 210220212220 is an apocalyptic number.

10220212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220212220 is an abundant number, since it is smaller than the sum of its proper divisors (11454737188).

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

10220212220 is a wasteful number, since it uses less digits than its factorization.

10220212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059621 (or 5059619 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10220212220 its reverse (2221202201), we get a palindrome (12441414421).

The spelling of 10220212220 in words is "ten billion, two hundred twenty million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 5059511 10119022 20238044 25297555 50595110 101190220 511010611 1022021222 2044042444 2555053055 5110106110 10220212220