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2231020020000 = 25354113329059
BaseRepresentation
bin100000011101110011001…
…001111110000100100000
321220021122121202211020010
4200131303021332010200
5243023112111120000
64424525541444520
7320120520163122
oct40356311760440
97807577684203
102231020020000
11790196703152
12300478110740
131324cc375065
1479da6659212
153d0798b3d50
hex2077327e120

2231020020000 has 240 divisors, whose sum is σ = 7382977066080. Its totient is φ = 589671936000.

The previous prime is 2231020019957. The next prime is 2231020020011. The reversal of 2231020020000 is 200201322.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-3 number, since 3×22310200200003 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6615471 + ... + 6944529.

It is an arithmetic number, because the mean of its divisors is an integer number (30762404442).

Almost surely, 22231020020000 is an apocalyptic number.

2231020020000 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 2231020020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3691488533040).

2231020020000 is an abundant number, since it is smaller than the sum of its proper divisors (5151957046080).

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

2231020020000 is a wasteful number, since it uses less digits than its factorization.

2231020020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329205 (or 329182 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 2231020020000 its reverse (200201322), we get a palindrome (2231220221322).

The spelling of 2231020020000 in words is "two trillion, two hundred thirty-one billion, twenty million, twenty thousand".