240401020 has 12 divisors (see below), whose sum is σ = 504842184. Its totient is φ = 96160400.

The previous prime is 240401011. The next prime is 240401033. The reversal of 240401020 is 20104042.

It is a congruent number.

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, 6010006 + ... + 6010045.

It is an arithmetic number, because the mean of its divisors is an integer number (42070182).

Almost surely, 2^240401020 is an apocalyptic number.

240401020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240401020 is an abundant number, since it is smaller than the sum of its proper divisors (264441164).

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

240401020 is a wasteful number, since it uses less digits than its factorization.

240401020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020060 (or 12020058 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 240401020 is about 15504.8708475756. The cubic root of 240401020 is about 621.7924370244.

Adding to 240401020 its reverse (20104042), we get a palindrome (260505062).

The spelling of 240401020 in words is "two hundred forty million, four hundred one thousand, twenty".