142122204202020 has 72 divisors (see below), whose sum is σ = 462912322267584. Its totient is φ = 32485075245504.

The previous prime is 142122204202001. The next prime is 142122204202049. The reversal of 142122204202020 is 20202402221241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24170439952 + ... + 24170445831.

It is an arithmetic number, because the mean of its divisors is an integer number (6429337809272).

Almost surely, 2^{142122204202020} is an apocalyptic number.

142122204202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142122204202020 is an abundant number, since it is smaller than the sum of its proper divisors (320790118065564).

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

142122204202020 is a wasteful number, since it uses less digits than its factorization.

142122204202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48340885809 (or 48340885800 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 142122204202020 its reverse (20202402221241), we get a palindrome (162324606423261).

The spelling of 142122204202020 in words is "one hundred forty-two trillion, one hundred twenty-two billion, two hundred four million, two hundred two thousand, twenty".