240222020 has 24 divisors (see below), whose sum is σ = 504964824. Its totient is φ = 95993856.

The previous prime is 240221999. The next prime is 240222043. The reversal of 240222020 is 20222042.

It can be written as a sum of positive squares in 4 ways, for example, as 22600516 + 217621504 = 4754^2 + 14752^2 .

It is a junction number, because it is equal to n+sod(n) for n = 240221986 and 240222004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16964 + ... + 27716.

It is an arithmetic number, because the mean of its divisors is an integer number (21040201).

Almost surely, 2^240222020 is an apocalyptic number.

240222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240222020 is an abundant number, since it is smaller than the sum of its proper divisors (264742804).

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

240222020 is a wasteful number, since it uses less digits than its factorization.

240222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11879 (or 11877 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 240222020 is about 15499.0973930742. The cubic root of 240222020 is about 621.6380720635.

Adding to 240222020 its reverse (20222042), we get a palindrome (260444062).

The spelling of 240222020 in words is "two hundred forty million, two hundred twenty-two thousand, twenty".