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2210020020000 = 25325413944453
BaseRepresentation
bin100000001010001111011…
…101010100111100100000
321211021110002120021212100
4200022033131110330200
5242202110111120000
64411134050530400
7315445233135252
oct40121735247440
97737402507770
102210020020000
1178229a760351
122b8397296a00
13130533760260
1478d73625cd2
153c74ae66a00
hex2028f754f20

2210020020000 has 360 divisors, whose sum is σ = 8457534569484. Its totient is φ = 544004352000.

The previous prime is 2210020019993. The next prime is 2210020020133. The reversal of 2210020020000 is 200200122.

It can be written as a sum of positive squares in 10 ways, for example, as 965447735184 + 1244572284816 = 982572^2 + 1115604^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1867774 + ... + 2812226.

Almost surely, 22210020020000 is an apocalyptic number.

2210020020000 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 2210020020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4228767284742).

2210020020000 is an abundant number, since it is smaller than the sum of its proper divisors (6247514549484).

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

2210020020000 is a wasteful number, since it uses less digits than its factorization.

2210020020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944502 (or 944476 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2210020020000 its reverse (200200122), we get a palindrome (2210220220122).

The spelling of 2210020020000 in words is "two trillion, two hundred ten billion, twenty million, twenty thousand".