4000220242 has 8 divisors (see below), whose sum is σ = 6001479036. Its totient is φ = 1999727232.

The previous prime is 4000220239. The next prime is 4000220251. The reversal of 4000220242 is 2420220004.

4000220242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3816644841 + 183575401 = 61779^2 + 13549^2 .

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

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, 178203 + ... + 199390.

Almost surely, 2^4000220242 is an apocalyptic number.

4000220242 is a deficient number, since it is larger than the sum of its proper divisors (2001258794).

4000220242 is a wasteful number, since it uses less digits than its factorization.

4000220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382892.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4000220242 is about 63247.2943452920. The cubic root of 4000220242 is about 1587.4301857987.

Adding to 4000220242 its reverse (2420220004), we get a palindrome (6420440246).

The spelling of 4000220242 in words is "four billion, two hundred twenty thousand, two hundred forty-two".