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2210020220 = 225110501011
BaseRepresentation
bin1000001110111010…
…0011101101111100
312201000112122210202
42003232203231330
514011231121340
61003144223032
7105523601432
oct20356435574
95630478722
102210020220
11a345539a1
1251816aa78
13292b2c495
1416d728d52
15ce04ac15
hex83ba3b7c

2210020220 has 12 divisors (see below), whose sum is σ = 4641042504. Its totient is φ = 884008080.

The previous prime is 2210020201. The next prime is 2210020223. The reversal of 2210020220 is 220200122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210020223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55250486 + ... + 55250525.

It is an arithmetic number, because the mean of its divisors is an integer number (386753542).

Almost surely, 22210020220 is an apocalyptic number.

2210020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210020220 is an abundant number, since it is smaller than the sum of its proper divisors (2431022284).

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

2210020220 is a wasteful number, since it uses less digits than its factorization.

2210020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110501020 (or 110501018 counting only the distinct ones).

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

The square root of 2210020220 is about 47010.8521513916. The cubic root of 2210020220 is about 1302.5630342209.

Adding to 2210020220 its reverse (220200122), we get a palindrome (2430220342).

The spelling of 2210020220 in words is "two billion, two hundred ten million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 110501011 221002022 442004044 552505055 1105010110 2210020220