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2211210032020 = 2251164811155081
BaseRepresentation
bin100000001011010110011…
…000110111001110010100
321211101112000210011110121
4200023112120313032110
5242212024232011040
64411452121001324
7315516563104123
oct40132630671624
97741460704417
102211210032020
11782850464a60
122b8669923244
13130693168492
14790476b5aba
153c7ba67cc4a
hex202d6637394

2211210032020 has 48 divisors (see below), whose sum is σ = 5065791990336. Its totient is φ = 804058784000.

The previous prime is 2211210031993. The next prime is 2211210032071. The reversal of 2211210032020 is 202300121122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2211210031985 and 2211210032003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14180880 + ... + 14335960.

It is an arithmetic number, because the mean of its divisors is an integer number (105537333132).

Almost surely, 22211210032020 is an apocalyptic number.

2211210032020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211210032020 is an abundant number, since it is smaller than the sum of its proper divisors (2854581958316).

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

2211210032020 is a wasteful number, since it uses less digits than its factorization.

2211210032020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219912 (or 219910 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2211210032020 its reverse (202300121122), we get a palindrome (2413510153142).

The spelling of 2211210032020 in words is "two trillion, two hundred eleven billion, two hundred ten million, thirty-two thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 64811 129622 155081 259244 310162 324055 620324 648110 712921 775405 1296220 1425842 1550810 1705891 2851684 3101620 3411782 3564605 6823564 7129210 8529455 14258420 17058910 34117820 10050954691 20101909382 40203818764 50254773455 100509546910 110560501601 201019093820 221121003202 442242006404 552802508005 1105605016010 2211210032020