20300240000 has 160 divisors (see below), whose sum is σ = 51620976000. Its totient is φ = 7945856000.

The previous prime is 20300239991. The next prime is 20300240003. The reversal of 20300240000 is 4200302.

It is a tau number, because it is divible by the number of its divisors (160).

It is not an unprimeable number, because it can be changed into a prime (20300240003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3757301 + ... + 3762699.

It is an arithmetic number, because the mean of its divisors is an integer number (322631100).

Almost surely, 2^20300240000 is an apocalyptic number.

20300240000 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 20300240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25810488000).

20300240000 is an abundant number, since it is smaller than the sum of its proper divisors (31320736000).

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

20300240000 is an frugal number, since it uses more digits than its factorization.

20300240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 20300240000 its reverse (4200302), we get a palindrome (20304440302).

The spelling of 20300240000 in words is "twenty billion, three hundred million, two hundred forty thousand".