42206442020 has 12 divisors (see below), whose sum is σ = 88633528284. Its totient is φ = 16882576800.

The previous prime is 42206442007. The next prime is 42206442049. The reversal of 42206442020 is 2024460224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18620239936 + 23586202084 = 136456^2 + 153578^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055161031 + ... + 1055161070.

It is an arithmetic number, because the mean of its divisors is an integer number (7386127357).

Almost surely, 2^42206442020 is an apocalyptic number.

It is an amenable number.

42206442020 is an abundant number, since it is smaller than the sum of its proper divisors (46427086264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42206442020 is a wasteful number, since it uses less digits than its factorization.

42206442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110322110 (or 2110322108 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The spelling of 42206442020 in words is "forty-two billion, two hundred six million, four hundred forty-two thousand, twenty".