240001550020 has 24 divisors (see below), whose sum is σ = 510075586944. Its totient is φ = 94843985376.

The previous prime is 240001550017. The next prime is 240001550057. The reversal of 240001550020 is 20055100042.

240001550020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 240001550020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72287964 + ... + 72291283.

It is an arithmetic number, because the mean of its divisors is an integer number (21253149456).

Almost surely, 2^240001550020 is an apocalyptic number.

240001550020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240001550020 is an abundant number, since it is smaller than the sum of its proper divisors (270074036924).

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

240001550020 is a wasteful number, since it uses less digits than its factorization.

240001550020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144579339 (or 144579337 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

Adding to 240001550020 its reverse (20055100042), we get a palindrome (260056650062).

The spelling of 240001550020 in words is "two hundred forty billion, one million, five hundred fifty thousand, twenty".