42220400202 has 32 divisors (see below), whose sum is σ = 97902380160. Its totient is φ = 13461576480.

The previous prime is 42220400107. The next prime is 42220400207. The reversal of 42220400202 is 20200402224.

42220400202 is a `hidden beast` number, since 42 + 2 + 20 + 400 + 202 = 666.

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 (42220400207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16995699 + ... + 16998182.

It is an arithmetic number, because the mean of its divisors is an integer number (3059449380).

Almost surely, 2^42220400202 is an apocalyptic number.

42220400202 is an abundant number, since it is smaller than the sum of its proper divisors (55681979958).

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

42220400202 is a wasteful number, since it uses less digits than its factorization.

42220400202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33993915 (or 33993909 counting only the distinct ones).

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

Adding to 42220400202 its reverse (20200402224), we get a palindrome (62420802426).

The spelling of 42220400202 in words is "forty-two billion, two hundred twenty million, four hundred thousand, two hundred two".