240206020 has 48 divisors (see below), whose sum is σ = 527990400. Its totient is φ = 91621376.

The previous prime is 240206009. The next prime is 240206023. The reversal of 240206020 is 20602042.

It is a junction number, because it is equal to n+sod(n) for n = 240205985 and 240206003.

It is not an unprimeable number, because it can be changed into a prime (240206023) 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, 205959 + ... + 207121.

It is an arithmetic number, because the mean of its divisors is an integer number (10999800).

Almost surely, 2^240206020 is an apocalyptic number.

240206020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240206020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263995200).

240206020 is an abundant number, since it is smaller than the sum of its proper divisors (287784380).

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

240206020 is a wasteful number, since it uses less digits than its factorization.

240206020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 240206020 is about 15498.5812253896. The cubic root of 240206020 is about 621.6242703452.

Adding to 240206020 its reverse (20602042), we get a palindrome (260808062).

The spelling of 240206020 in words is "two hundred forty million, two hundred six thousand, twenty".