42202020205 has 8 divisors (see below), whose sum is σ = 50643592704. Its totient is φ = 33760837200.

The previous prime is 42202020101. The next prime is 42202020239. The reversal of 42202020205 is 50202020224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42202020205 - 2¹⁷ = 42201889133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260740 + ... + 390370.

It is an arithmetic number, because the mean of its divisors is an integer number (6330449088).

Almost surely, 2^42202020205 is an apocalyptic number.

It is an amenable number.

42202020205 is a deficient number, since it is larger than the sum of its proper divisors (8441572499).

42202020205 is a wasteful number, since it uses less digits than its factorization.

42202020205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194747.

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 42202020205 its sum of digits (19), we get a palindrome (42202020224).

Adding to 42202020205 its reverse (50202020224), we get a palindrome (92404040429).

It can be divided in two parts, 422020 and 20205, that added together give a square (442225 = 665²).

The spelling of 42202020205 in words is "forty-two billion, two hundred two million, twenty thousand, two hundred five".