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10201202220 = 22351119813493
BaseRepresentation
bin10011000000000100…
…11111111000101100
3222022221100202200110
421200002133320230
5131343001432340
64404131100020
7510536534226
oct114002377054
928287322613
1010201202220
114365349240
121b88441610
13c675a5a41
146cab79416
153ea8a3680
hex26009fe2c

10201202220 has 96 divisors (see below), whose sum is σ = 32800078080. Its totient is φ = 2342856960.

The previous prime is 10201202171. The next prime is 10201202227. The reversal of 10201202220 is 2220210201.

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 = 10201202196 and 10201202205.

It is not an unprimeable number, because it can be changed into a prime (10201202227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394207 + ... + 419286.

It is an arithmetic number, because the mean of its divisors is an integer number (341667480).

Almost surely, 210201202220 is an apocalyptic number.

10201202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201202220 is an abundant number, since it is smaller than the sum of its proper divisors (22598875860).

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

10201202220 is a wasteful number, since it uses less digits than its factorization.

10201202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813535 (or 813533 counting only the distinct ones).

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

Adding to 10201202220 its reverse (2220210201), we get a palindrome (12421412421).

The spelling of 10201202220 in words is "ten billion, two hundred one million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 19 20 22 30 33 38 44 55 57 60 66 76 95 110 114 132 165 190 209 220 228 285 330 380 418 570 627 660 836 1045 1140 1254 2090 2508 3135 4180 6270 12540 813493 1626986 2440479 3253972 4067465 4880958 8134930 8948423 9761916 12202395 15456367 16269860 17896846 24404790 26845269 30912734 35793692 44742115 46369101 48809580 53690538 61825468 77281835 89484230 92738202 107381076 134226345 154563670 170020037 178968460 185476404 231845505 268452690 309127340 340040074 463691010 510060111 536905380 680080148 850100185 927382020 1020120222 1700200370 2040240444 2550300555 3400400740 5100601110 10201202220