Search a number
-
+
20330133000 = 2335319973677
BaseRepresentation
bin10010111011110001…
…010011011000001000
31221110211201202120220
4102323301103120020
5313114003224000
613201201150040
71316541164532
oct227361233010
957424652526
1020330133000
118692914911
123b3462b320
131bbcbc60c8
14dac0a0852
157dec2d1a0
hex4bbc53608

20330133000 has 256 divisors, whose sum is σ = 67475116800. Its totient is φ = 5081702400.

The previous prime is 20330132993. The next prime is 20330133049. The reversal of 20330133000 is 33103302.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5527162 + ... + 5530838.

It is an arithmetic number, because the mean of its divisors is an integer number (263574675).

Almost surely, 220330133000 is an apocalyptic number.

20330133000 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 20330133000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33737558400).

20330133000 is an abundant number, since it is smaller than the sum of its proper divisors (47144983800).

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

20330133000 is a wasteful number, since it uses less digits than its factorization.

20330133000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817 (or 3803 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20330133000 its reverse (33103302), we get a palindrome (20363236302).

The spelling of 20330133000 in words is "twenty billion, three hundred thirty million, one hundred thirty-three thousand".