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20003220132 = 2237587405679
BaseRepresentation
bin10010101000010010…
…001110101010100100
31220122001120212102220
4102220102032222210
5311431311021012
613104522232340
71305461365020
oct225022165244
956561525386
1020003220132
118535329395
123a630556b0
131b6a26453c
14d7a8c3380
157c11a508c
hex4a848eaa4

20003220132 has 48 divisors (see below), whose sum is σ = 53432924160. Its totient is φ = 5705455392.

The previous prime is 20003220131. The next prime is 20003220137. The reversal of 20003220132 is 23102230002.

It is not an unprimeable number, because it can be changed into a prime (20003220131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153532 + ... + 252147.

It is an arithmetic number, because the mean of its divisors is an integer number (1113185920).

Almost surely, 220003220132 is an apocalyptic number.

It is an amenable number.

20003220132 is an abundant number, since it is smaller than the sum of its proper divisors (33429704028).

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

20003220132 is a wasteful number, since it uses less digits than its factorization.

20003220132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406280 (or 406278 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20003220132 its reverse (23102230002), we get a palindrome (43105450134).

The spelling of 20003220132 in words is "twenty billion, three million, two hundred twenty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 587 1174 1761 2348 3522 4109 7044 8218 12327 16436 24654 49308 405679 811358 1217037 1622716 2434074 2839753 4868148 5679506 8519259 11359012 17038518 34077036 238133573 476267146 714400719 952534292 1428801438 1666935011 2857602876 3333870022 5000805033 6667740044 10001610066 20003220132