42222020202 has 64 divisors (see below), whose sum is σ = 95319244800. Its totient is φ = 13850535600.

The previous prime is 42222020143. The next prime is 42222020209. The reversal of 42222020202 is 20202022224.

It is a happy number.

42222020202 is a `hidden beast` number, since 422 + 2 + 20 + 20 + 202 = 666.

It is a super-2 number, since 2×42222020202² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (42222020209) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 4159249 + ... + 4169387.

It is an arithmetic number, because the mean of its divisors is an integer number (1489363200).

Almost surely, 2^42222020202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42222020202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47659622400).

42222020202 is an abundant number, since it is smaller than the sum of its proper divisors (53097224598).

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

42222020202 is a wasteful number, since it uses less digits than its factorization.

42222020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11368 (or 11362 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 42222020202 its reverse (20202022224), we get a palindrome (62424042426).

The spelling of 42222020202 in words is "forty-two billion, two hundred twenty-two million, twenty thousand, two hundred two".