20003000240 has 20 divisors (see below), whose sum is σ = 46506975744. Its totient is φ = 8001200064.

The previous prime is 20003000233. The next prime is 20003000323. The reversal of 20003000240 is 4200030002.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125018672 + ... + 125018831.

Almost surely, 2^20003000240 is an apocalyptic number.

20003000240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20003000240 is an abundant number, since it is smaller than the sum of its proper divisors (26503975504).

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

20003000240 is a wasteful number, since it uses less digits than its factorization.

20003000240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250037516 (or 250037510 counting only the distinct ones).

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

Adding to 20003000240 its reverse (4200030002), we get a palindrome (24203030242).

The spelling of 20003000240 in words is "twenty billion, three million, two hundred forty", and thus it is an aban number.