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20322130200 = 23352197012543
BaseRepresentation
bin10010111011010010…
…110001100100011000
31221110021200011210220
4102323102301210120
5313104431131300
613200313440040
71316413154001
oct227322614430
957407604726
1020322130200
118689349229
123b31a10020
131bbb353618
14daadba1a8
157de19bda0
hex4bb4b1918

20322130200 has 192 divisors, whose sum is σ = 66435033600. Its totient is φ = 5124672000.

The previous prime is 20322130183. The next prime is 20322130201. The reversal of 20322130200 is 203122302.

It is a super-3 number, since 3×203221302003 (a number of 32 digits) contains 333 as substring.

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 20322130200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322130201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7990129 + ... + 7992671.

It is an arithmetic number, because the mean of its divisors is an integer number (346015800).

Almost surely, 220322130200 is an apocalyptic number.

20322130200 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 20322130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33217516800).

20322130200 is an abundant number, since it is smaller than the sum of its proper divisors (46112903400).

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

20322130200 is a wasteful number, since it uses less digits than its factorization.

20322130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282 (or 3273 counting only the distinct ones).

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

Adding to 20322130200 its reverse (203122302), we get a palindrome (20525252502).

The spelling of 20322130200 in words is "twenty billion, three hundred twenty-two million, one hundred thirty thousand, two hundred".