240200020 has 36 divisors (see below), whose sum is σ = 509663700. Its totient is φ = 95091328.

The previous prime is 240199969. The next prime is 240200039. The reversal of 240200020 is 20002042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 159415876 + 80784144 = 12626^2 + 8988^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228456 + ... + 229504.

It is an arithmetic number, because the mean of its divisors is an integer number (14157325).

Almost surely, 2^240200020 is an apocalyptic number.

240200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240200020 is an abundant number, since it is smaller than the sum of its proper divisors (269463680).

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

240200020 is a wasteful number, since it uses less digits than its factorization.

240200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 240200020 is about 15498.3876580759. The cubic root of 240200020 is about 621.6190945428.

Adding to 240200020 its reverse (20002042), we get a palindrome (260202062).

The spelling of 240200020 in words is "two hundred forty million, two hundred thousand, twenty".