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20023032132 = 22321673330511
BaseRepresentation
bin10010101001011101…
…110011100101000100
31220200102212102101200
4102221131303211010
5312001344012012
613110511022500
71306121651655
oct225135634504
956612772350
1020023032132
118545530444
123a6980aa30
131b713b020c
14d7d39d52c
157c2cba3dc
hex4a9773944

20023032132 has 36 divisors (see below), whose sum is σ = 50916867456. Its totient is φ = 6634375920.

The previous prime is 20023032109. The next prime is 20023032151. The reversal of 20023032132 is 23123032002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1659244 + ... + 1671267.

Almost surely, 220023032132 is an apocalyptic number.

It is an amenable number.

20023032132 is an abundant number, since it is smaller than the sum of its proper divisors (30893835324).

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

20023032132 is a wasteful number, since it uses less digits than its factorization.

20023032132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3330688 (or 3330683 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20023032132 its reverse (23123032002), we get a palindrome (43146064134).

The spelling of 20023032132 in words is "twenty billion, twenty-three million, thirty-two thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 167 334 501 668 1002 1503 2004 3006 6012 3330511 6661022 9991533 13322044 19983066 29974599 39966132 59949198 119898396 556195337 1112390674 1668586011 2224781348 3337172022 5005758033 6674344044 10011516066 20023032132