4230205642 has 32 divisors (see below), whose sum is σ = 7258727952. Its totient is φ = 1831624704.

The previous prime is 4230205621. The next prime is 4230205663. The reversal of 4230205642 is 2465020324.

4230205642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4230205621) and next prime (4230205663).

It can be written as a sum of positive squares in 8 ways, for example, as 391287961 + 3838917681 = 19781^2 + 61959^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4230205642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123058 + ... + 153634.

Almost surely, 2^4230205642 is an apocalyptic number.

4230205642 is a deficient number, since it is larger than the sum of its proper divisors (3028522310).

4230205642 is a wasteful number, since it uses less digits than its factorization.

4230205642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30922.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4230205642 is about 65040.0310731783. The cubic root of 4230205642 is about 1617.2872398637.

Adding to 4230205642 its reverse (2465020324), we get a palindrome (6695225966).

The spelling of 4230205642 in words is "four billion, two hundred thirty million, two hundred five thousand, six hundred forty-two".