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2212010220 = 22357371371039
BaseRepresentation
bin1000001111011000…
…1001100011101100
312201011021202120110
42003312021203230
514012233311340
61003255020020
7105546530250
oct20366114354
95634252513
102212010220
11a35693022
1251896a610
132933781b4
1416dac6260
15ce2e0680
hex83d898ec

2212010220 has 192 divisors, whose sum is σ = 7329853440. Its totient is φ = 487876608.

The previous prime is 2212010219. The next prime is 2212010237. The reversal of 2212010220 is 220102122.

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 = 2212010196 and 2212010205.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2128461 + ... + 2129499.

It is an arithmetic number, because the mean of its divisors is an integer number (38176320).

Almost surely, 22212010220 is an apocalyptic number.

2212010220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212010220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3664926720).

2212010220 is an abundant number, since it is smaller than the sum of its proper divisors (5117843220).

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

2212010220 is a wasteful number, since it uses less digits than its factorization.

2212010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1230 counting only the distinct ones).

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

The square root of 2212010220 is about 47032.0127147457. The cubic root of 2212010220 is about 1302.9538787314.

Adding to 2212010220 its reverse (220102122), we get a palindrome (2432112342).

The spelling of 2212010220 in words is "two billion, two hundred twelve million, ten thousand, two hundred twenty".