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20201143432 = 2323510121523
BaseRepresentation
bin10010110100000101…
…001111110010001000
31221010212000102011111
4102310011033302020
5312332443042212
613140312340104
71313413612621
oct226405176210
957125012144
1020201143432
118627023068
123ab93a4634
131b9c272512
14d98cc4a48
157d374dea7
hex4b414fc88

20201143432 has 32 divisors (see below), whose sum is σ = 39533561280. Its totient is φ = 9659073600.

The previous prime is 20201143427. The next prime is 20201143433. The reversal of 20201143432 is 23434110202.

It is a super-3 number, since 3×202011434323 (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201143433) 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, 927823 + ... + 949345.

It is an arithmetic number, because the mean of its divisors is an integer number (1235423790).

Almost surely, 220201143432 is an apocalyptic number.

It is an amenable number.

20201143432 is a deficient number, since it is larger than the sum of its proper divisors (19332417848).

20201143432 is a wasteful number, since it uses less digits than its factorization.

20201143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26653 (or 26649 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20201143432 its reverse (23434110202), we get a palindrome (43635253634).

The spelling of 20201143432 in words is "twenty billion, two hundred one million, one hundred forty-three thousand, four hundred thirty-two".

Divisors: 1 2 4 8 23 46 92 184 5101 10202 20404 21523 40808 43046 86092 117323 172184 234646 469292 495029 938584 990058 1980116 3960232 109788823 219577646 439155292 878310584 2525142929 5050285858 10100571716 20201143432