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2221002210020 = 2251110095464591
BaseRepresentation
bin100000010100011110000…
…011000011101011100100
321212022210110111100101212
4200110132003003223210
5242342103031210040
64420151521210552
7316314335203046
oct40243603035344
97768713440355
102221002210020
11786a15934250
122ba541190a58
13131593a90249
14796d5dbba96
153cb90188d65
hex2051e0c3ae4

2221002210020 has 24 divisors (see below), whose sum is σ = 5088114154368. Its totient is φ = 807637167200.

The previous prime is 2221002210019. The next prime is 2221002210047. The reversal of 2221002210020 is 200122001222.

It is a junction number, because it is equal to n+sod(n) for n = 2221002209977 and 2221002210004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5047732076 + ... + 5047732515.

It is an arithmetic number, because the mean of its divisors is an integer number (212004756432).

Almost surely, 22221002210020 is an apocalyptic number.

2221002210020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221002210020 is an abundant number, since it is smaller than the sum of its proper divisors (2867111944348).

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

2221002210020 is a wasteful number, since it uses less digits than its factorization.

2221002210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095464611 (or 10095464609 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2221002210020 its reverse (200122001222), we get a palindrome (2421124211242).

The spelling of 2221002210020 in words is "two trillion, two hundred twenty-one billion, two million, two hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 10095464591 20190929182 40381858364 50477322955 100954645910 111050110501 201909291820 222100221002 444200442004 555250552505 1110501105010 2221002210020