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20211301332 = 2233187141679
BaseRepresentation
bin10010110100101011…
…111111101111010100
31221011120010111012000
4102310223333233110
5312343043120312
613141314155300
71313566140525
oct226453775724
957146114160
1020211301332
118631830922
123b00882b30
131ba13bac01
14d9a3aa84c
157d45a8adc
hex4b4affbd4

20211301332 has 24 divisors (see below), whose sum is σ = 52399670400. Its totient is φ = 6737100408.

The previous prime is 20211301301. The next prime is 20211301337. The reversal of 20211301332 is 23310311202.

20211301332 is a `hidden beast` number, since 20 + 2 + 11 + 301 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211301337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93570732 + ... + 93570947.

It is an arithmetic number, because the mean of its divisors is an integer number (2183319600).

Almost surely, 220211301332 is an apocalyptic number.

It is an amenable number.

20211301332 is an abundant number, since it is smaller than the sum of its proper divisors (32188369068).

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

20211301332 is a wasteful number, since it uses less digits than its factorization.

20211301332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187141692 (or 187141684 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20211301332 its reverse (23310311202), we get a palindrome (43521612534).

The spelling of 20211301332 in words is "twenty billion, two hundred eleven million, three hundred one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 187141679 374283358 561425037 748566716 1122850074 1684275111 2245700148 3368550222 5052825333 6737100444 10105650666 20211301332