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10210220220 = 2235592884243
BaseRepresentation
bin10011000001001001…
…11001100010111100
3222100120022221001110
421200210321202330
5131402304021340
64405052242020
7511006303614
oct114044714274
928316287043
1010210220220
11436a448632
121b8b470310
13c69412635
146cc045a44
153eb585680
hex2609398bc

10210220220 has 48 divisors (see below), whose sum is σ = 29073179520. Its totient is φ = 2676576576.

The previous prime is 10210220173. The next prime is 10210220227. The reversal of 10210220220 is 2202201201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10210220196 and 10210220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210220227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438582 + ... + 1445661.

It is an arithmetic number, because the mean of its divisors is an integer number (605691240).

Almost surely, 210210220220 is an apocalyptic number.

10210220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10210220220 is an abundant number, since it is smaller than the sum of its proper divisors (18862959300).

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

10210220220 is a wasteful number, since it uses less digits than its factorization.

10210220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884314 (or 2884312 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10210220220 its reverse (2202201201), we get a palindrome (12412421421).

The spelling of 10210220220 in words is "ten billion, two hundred ten million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 2884243 5768486 8652729 11536972 14421215 17305458 28842430 34610916 43263645 57684860 86527290 170170337 173054580 340340674 510511011 680681348 850851685 1021022022 1701703370 2042044044 2552555055 3403406740 5105110110 10210220220