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20341321000 = 23537211132903
BaseRepresentation
bin10010111100011011…
…111110110100101000
31221111121210011122021
4102330123332310220
5313124334233000
613202241034224
71320035242600
oct227433766450
957447704567
1020341321000
1186991665a0
123b38325974
131bc2312620
14dad773c00
157e0bdd11a
hex4bc6fed28

20341321000 has 384 divisors, whose sum is σ = 65072367360. Its totient is φ = 5850432000.

The previous prime is 20341320983. The next prime is 20341321001. The reversal of 20341321000 is 12314302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20341321001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7005549 + ... + 7008451.

It is an arithmetic number, because the mean of its divisors is an integer number (169459290).

Almost surely, 220341321000 is an apocalyptic number.

20341321000 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 20341321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32536183680).

20341321000 is an abundant number, since it is smaller than the sum of its proper divisors (44731046360).

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

20341321000 is a wasteful number, since it uses less digits than its factorization.

20341321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20341321000 its reverse (12314302), we get a palindrome (20353635302).

The spelling of 20341321000 in words is "twenty billion, three hundred forty-one million, three hundred twenty-one thousand".