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20023132200 = 2335233371887
BaseRepresentation
bin10010101001011110…
…001100000000101000
31220200110001111122220
4102221132030000220
5312001410212300
613110513114040
71306122546501
oct225136140050
956613044586
1020023132200
118545599645
123a69858920
131b71416926
14d7d3c7ba8
157c2cd9da0
hex4a978c028

20023132200 has 48 divisors (see below), whose sum is σ = 62071711680. Its totient is φ = 5339501760.

The previous prime is 20023132193. The next prime is 20023132201. The reversal of 20023132200 is 223132002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20023132200.

It is not an unprimeable number, because it can be changed into a prime (20023132201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16685344 + ... + 16686543.

It is an arithmetic number, because the mean of its divisors is an integer number (1293160660).

Almost surely, 220023132200 is an apocalyptic number.

20023132200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20023132200 is an abundant number, since it is smaller than the sum of its proper divisors (42048579480).

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

20023132200 is a wasteful number, since it uses less digits than its factorization.

20023132200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33371906 (or 33371897 counting only the distinct ones).

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

Adding to 20023132200 its reverse (223132002), we get a palindrome (20246264202).

The spelling of 20023132200 in words is "twenty billion, twenty-three million, one hundred thirty-two thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 150 200 300 600 33371887 66743774 100115661 133487548 166859435 200231322 266975096 333718870 400462644 500578305 667437740 800925288 834297175 1001156610 1334875480 1668594350 2002313220 2502891525 3337188700 4004626440 5005783050 6674377400 10011566100 20023132200