3202120042 has 12 divisors (see below), whose sum is σ = 5279528898. Its totient is φ = 1455509000.

The previous prime is 3202119979. The next prime is 3202120073. The reversal of 3202120042 is 2400212023.

It can be written as a sum of positive squares in only one way, i.e., 2561473321 + 640646721 = 50611^2 + 25311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3202119998 and 3202120025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6615709 + ... + 6616192.

Almost surely, 2^3202120042 is an apocalyptic number.

3202120042 is a deficient number, since it is larger than the sum of its proper divisors (2077408856).

3202120042 is a wasteful number, since it uses less digits than its factorization.

3202120042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13231925 (or 13231914 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3202120042 is about 56587.2780932252. The cubic root of 3202120042 is about 1473.9379568450.

Adding to 3202120042 its reverse (2400212023), we get a palindrome (5602332065).

The spelling of 3202120042 in words is "three billion, two hundred two million, one hundred twenty thousand, forty-two".