Search a number
-
+
2210022020 = 225402127481
BaseRepresentation
bin1000001110111010…
…0100001010000100
312201000112202021102
42003232210022010
514011231201040
61003144235232
7105523606613
oct20356441204
95630482242
102210022020
11a34555288
1251816bb18
13292b3024b
1416d72987a
15ce04b515
hex83ba4284

2210022020 has 24 divisors (see below), whose sum is σ = 4642369368. Its totient is φ = 883756800.

The previous prime is 2210022011. The next prime is 2210022047. The reversal of 2210022020 is 202200122.

It can be written as a sum of positive squares in 4 ways, for example, as 257089156 + 1952932864 = 16034^2 + 44192^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2210021992 and 2210022010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66680 + ... + 94160.

It is an arithmetic number, because the mean of its divisors is an integer number (193432057).

Almost surely, 22210022020 is an apocalyptic number.

2210022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210022020 is an abundant number, since it is smaller than the sum of its proper divisors (2432347348).

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

2210022020 is a wasteful number, since it uses less digits than its factorization.

2210022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31511 (or 31509 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2210022020 is about 47010.8712959035. The cubic root of 2210022020 is about 1302.5633878546.

Adding to 2210022020 its reverse (202200122), we get a palindrome (2412222142).

The spelling of 2210022020 in words is "two billion, two hundred ten million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 4021 8042 16084 20105 27481 40210 54962 80420 109924 137405 274810 549620 110501101 221002202 442004404 552505505 1105011010 2210022020