3820204042 has 4 divisors (see below), whose sum is σ = 5730306066. Its totient is φ = 1910102020.

The previous prime is 3820204033. The next prime is 3820204081. The reversal of 3820204042 is 2404020283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2813347681 + 1006856361 = 53041^2 + 31731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3820203998 and 3820204016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 955051009 + ... + 955051012.

Almost surely, 2^3820204042 is an apocalyptic number.

3820204042 is a deficient number, since it is larger than the sum of its proper divisors (1910102024).

3820204042 is a wasteful number, since it uses less digits than its factorization.

3820204042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910102023.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 3820204042 is about 61807.7992004245. The cubic root of 3820204042 is about 1563.2514970379.

The spelling of 3820204042 in words is "three billion, eight hundred twenty million, two hundred four thousand, forty-two".