42022220202 has 80 divisors (see below), whose sum is σ = 100962322560. Its totient is φ = 13016495232.

The previous prime is 42022220189. The next prime is 42022220231. The reversal of 42022220202 is 20202222024.

It is a happy number.

42022220202 is a `hidden beast` number, since 420 + 2 + 2 + 220 + 20 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 120993 + ... + 314139.

It is an arithmetic number, because the mean of its divisors is an integer number (1262029032).

Almost surely, 2^42022220202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42022220202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50481161280).

42022220202 is an abundant number, since it is smaller than the sum of its proper divisors (58940102358).

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

42022220202 is a wasteful number, since it uses less digits than its factorization.

42022220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193257 (or 193248 counting only the distinct ones).

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

Adding to 42022220202 its reverse (20202222024), we get a palindrome (62224442226).

The spelling of 42022220202 in words is "forty-two billion, twenty-two million, two hundred twenty thousand, two hundred two".