42042220420202 has 32 divisors (see below), whose sum is σ = 64165949432832. Its totient is φ = 20655739995264.

The previous prime is 42042220420199. The next prime is 42042220420219. The reversal of 42042220420202 is 20202402224024.

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, 349641863 + ... + 349762085.

It is an arithmetic number, because the mean of its divisors is an integer number (2005185919776).

Almost surely, 2^{42042220420202} is an apocalyptic number.

42042220420202 is a deficient number, since it is larger than the sum of its proper divisors (22123729012630).

42042220420202 is a wasteful number, since it uses less digits than its factorization.

42042220420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129222.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 42042220420202 its reverse (20202402224024), we get a palindrome (62244622644226).

The spelling of 42042220420202 in words is "forty-two trillion, forty-two billion, two hundred twenty million, four hundred twenty thousand, two hundred two".