20302002230240 has 48 divisors (see below), whose sum is σ = 47981808916272. Its totient is φ = 8117697629184.

The previous prime is 20302002230221. The next prime is 20302002230291. The reversal of 20302002230240 is 4203220020302.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23824214 + ... + 24661653.

It is an arithmetic number, because the mean of its divisors is an integer number (999621019089).

Almost surely, 2^{20302002230240} is an apocalyptic number.

20302002230240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302002230240 is an abundant number, since it is smaller than the sum of its proper divisors (27679806686032).

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

20302002230240 is a wasteful number, since it uses less digits than its factorization.

20302002230240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48488499 (or 48488491 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 20302002230240 its reverse (4203220020302), we get a palindrome (24505222250542).

The spelling of 20302002230240 in words is "twenty trillion, three hundred two billion, two million, two hundred thirty thousand, two hundred forty".