142205332220 has 96 divisors (see below), whose sum is σ = 344495144448. Its totient is φ = 48300671232.

The previous prime is 142205332193. The next prime is 142205332253. The reversal of 142205332220 is 22233502241.

It is a self number, because there is not a number n which added to its sum of digits gives 142205332220.

It is a congruent number.

It is an unprimeable number.

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, 6843887 + ... + 6864633.

It is an arithmetic number, because the mean of its divisors is an integer number (3588491088).

Almost surely, 2^142205332220 is an apocalyptic number.

142205332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142205332220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172247572224).

142205332220 is an abundant number, since it is smaller than the sum of its proper divisors (202289812228).

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

142205332220 is a wasteful number, since it uses less digits than its factorization.

142205332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21219 (or 21217 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 142205332220 its reverse (22233502241), we get a palindrome (164438834461).

The spelling of 142205332220 in words is "one hundred forty-two billion, two hundred five million, three hundred thirty-two thousand, two hundred twenty".