42202020204 has 72 divisors (see below), whose sum is σ = 110972862000. Its totient is φ = 13506321024.

The previous prime is 42202020101. The next prime is 42202020239. The reversal of 42202020204 is 40202020224.

42202020204 is a `hidden beast` number, since 422 + 0 + 20 + 20 + 204 = 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 23 ways as a sum of consecutive naturals, for example, 73962 + ... + 299790.

It is an arithmetic number, because the mean of its divisors is an integer number (1541289750).

Almost surely, 2^42202020204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42202020204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55486431000).

42202020204 is an abundant number, since it is smaller than the sum of its proper divisors (68770841796).

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

42202020204 is a wasteful number, since it uses less digits than its factorization.

42202020204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226047 (or 226042 counting only the distinct ones).

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

Adding to 42202020204 its reverse (40202020224), we get a palindrome (82404040428).

The spelling of 42202020204 in words is "forty-two billion, two hundred two million, twenty thousand, two hundred four".