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2210220020 = 225313564871
BaseRepresentation
bin1000001110111101…
…0100011111110100
312201000220210212202
42003233110133310
514011304020040
61003152404032
7105525363101
oct20357243764
95630823782
102210220020
11a34680018
12518246618
13292b9c3c8
1416d77baa8
15ce08a015
hex83bd47f4

2210220020 has 24 divisors (see below), whose sum is σ = 4791187968. Its totient is φ = 855568800.

The previous prime is 2210219993. The next prime is 2210220043. The reversal of 2210220020 is 200220122.

It is a junction number, because it is equal to n+sod(n) for n = 2210219983 and 2210220010.

It is a congruent number.

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, 1781816 + ... + 1783055.

It is an arithmetic number, because the mean of its divisors is an integer number (199632832).

Almost surely, 22210220020 is an apocalyptic number.

2210220020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210220020 is an abundant number, since it is smaller than the sum of its proper divisors (2580967948).

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

2210220020 is a wasteful number, since it uses less digits than its factorization.

2210220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564911 (or 3564909 counting only the distinct ones).

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

The square root of 2210220020 is about 47012.9771446140. The cubic root of 2210220020 is about 1302.6022863884.

Adding to 2210220020 its reverse (200220122), we get a palindrome (2410440142).

The spelling of 2210220020 in words is "two billion, two hundred ten million, two hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 3564871 7129742 14259484 17824355 35648710 71297420 110511001 221022002 442044004 552555005 1105110010 2210220020