240320020 has 48 divisors (see below), whose sum is σ = 517321728. Its totient is φ = 93741440.

The previous prime is 240319993. The next prime is 240320021. The reversal of 240320020 is 20023042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240320021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201867 + ... + 203053.

It is an arithmetic number, because the mean of its divisors is an integer number (10777536).

Almost surely, 2^240320020 is an apocalyptic number.

240320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240320020 is an abundant number, since it is smaller than the sum of its proper divisors (277001708).

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

240320020 is a wasteful number, since it uses less digits than its factorization.

240320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 240320020 is about 15502.2585451282. The cubic root of 240320020 is about 621.7225942188.

Adding to 240320020 its reverse (20023042), we get a palindrome (260343062).

The spelling of 240320020 in words is "two hundred forty million, three hundred twenty thousand, twenty".