22202020505142 has 80 divisors (see below), whose sum is σ = 51913364735232. Its totient is φ = 7078714988400.

The previous prime is 22202020505129. The next prime is 22202020505173. The reversal of 22202020505142 is 24150502020222.

It is a happy number.

It is a super-4 number, since 4×22202020505142⁴ (a number of 54 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 219660517 + ... + 219761567.

Almost surely, 2^{22202020505142} is an apocalyptic number.

22202020505142 is an abundant number, since it is smaller than the sum of its proper divisors (29711344230090).

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

22202020505142 is a wasteful number, since it uses less digits than its factorization.

22202020505142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160055 (or 160046 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

Adding to 22202020505142 its reverse (24150502020222), we get a palindrome (46352522525364).

The spelling of 22202020505142 in words is "twenty-two trillion, two hundred two billion, twenty million, five hundred five thousand, one hundred forty-two".