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2201211112020 = 223536686851867
BaseRepresentation
bin100000000010000010011…
…010000000101001010100
321210102201012001101211020
4200002002122000221110
5242031040021041040
64403120013241140
7315014030510634
oct40020232005124
97712635041736
102201211112020
1177958a318408
122b67391931b0
1312c75b76877b
14787797546c4
153c3d2934cd0
hex20082680a54

2201211112020 has 24 divisors (see below), whose sum is σ = 6163391113824. Its totient is φ = 586989629856.

The previous prime is 2201211112007. The next prime is 2201211112043. The reversal of 2201211112020 is 202111121022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18343425874 + ... + 18343425993.

It is an arithmetic number, because the mean of its divisors is an integer number (256807963076).

Almost surely, 22201211112020 is an apocalyptic number.

2201211112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201211112020 is an abundant number, since it is smaller than the sum of its proper divisors (3962180001804).

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

2201211112020 is a wasteful number, since it uses less digits than its factorization.

2201211112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36686851879 (or 36686851877 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2201211112020 its reverse (202111121022), we get a palindrome (2403322233042).

The spelling of 2201211112020 in words is "two trillion, two hundred one billion, two hundred eleven million, one hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 36686851867 73373703734 110060555601 146747407468 183434259335 220121111202 366868518670 440242222404 550302778005 733737037340 1100605556010 2201211112020