240020013 has 8 divisors (see below), whose sum is σ = 320292000. Its totient is φ = 159880688.

The previous prime is 240020009. The next prime is 240020017. The reversal of 240020013 is 310020042.

It is an interprime number because it is at equal distance from previous prime (240020009) and next prime (240020017).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240020013 - 2² = 240020009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240020017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28863 + ... + 36236.

It is an arithmetic number, because the mean of its divisors is an integer number (40036500).

Almost surely, 2^240020013 is an apocalyptic number.

It is an amenable number.

240020013 is a deficient number, since it is larger than the sum of its proper divisors (80271987).

240020013 is a wasteful number, since it uses less digits than its factorization.

240020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66331.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 240020013 is about 15492.5792881624. The cubic root of 240020013 is about 621.4637743340.

Adding to 240020013 its reverse (310020042), we get a palindrome (550040055).

The spelling of 240020013 in words is "two hundred forty million, twenty thousand, thirteen".