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22030123200 = 2635217215881
BaseRepresentation
bin10100100001000110…
…010000000011000000
32002212022120012201220
4110201012100003000
5330104202420300
614042005555040
71406632646301
oct244106200300
962768505656
1022030123200
119385480698
124329a15a80
13210116b077
1410cdb827a8
1588e0cdda0
hex5211900c0

22030123200 has 252 divisors, whose sum is σ = 76783688952. Its totient is φ = 5528780800.

The previous prime is 22030123187. The next prime is 22030123223. The reversal of 22030123200 is 232103022.

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 22030123200.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1379260 + ... + 1395140.

Almost surely, 222030123200 is an apocalyptic number.

22030123200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22030123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38391844476).

22030123200 is an abundant number, since it is smaller than the sum of its proper divisors (54753565752).

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

22030123200 is a wasteful number, since it uses less digits than its factorization.

22030123200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15940 (or 15908 counting only the distinct ones).

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

Adding to 22030123200 its reverse (232103022), we get a palindrome (22262226222).

The spelling of 22030123200 in words is "twenty-two billion, thirty million, one hundred twenty-three thousand, two hundred".