20321341000 has 128 divisors (see below), whose sum is σ = 50477787360. Its totient is φ = 7630848000.

The previous prime is 20321340971. The next prime is 20321341009. The reversal of 20321341000 is 14312302.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 221473924 + 20099867076 = 14882^2 + 141774^2 .

It is not an unprimeable number, because it can be changed into a prime (20321341009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7835704 + ... + 7838296.

Almost surely, 2^20321341000 is an apocalyptic number.

20321341000 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 20321341000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25238893680).

20321341000 is an abundant number, since it is smaller than the sum of its proper divisors (30156446360).

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

20321341000 is a wasteful number, since it uses less digits than its factorization.

20321341000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3078 counting only the distinct ones).

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

Adding to 20321341000 its reverse (14312302), we get a palindrome (20335653302).

The spelling of 20321341000 in words is "twenty billion, three hundred twenty-one million, three hundred forty-one thousand".