142220536630 has 24 divisors (see below), whose sum is σ = 260409502512. Its totient is φ = 55923993936.

The previous prime is 142220536583. The next prime is 142220536637. The reversal of 142220536630 is 36635022241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142220536637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2008002 + ... + 2077621.

It is an arithmetic number, because the mean of its divisors is an integer number (10850395938).

Almost surely, 2^142220536630 is an apocalyptic number.

142220536630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142220536630 is a deficient number, since it is larger than the sum of its proper divisors (118188965882).

142220536630 is an equidigital number, since it uses as much as digits as its factorization.

142220536630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4085748 (or 4085689 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 142220536630 its reverse (36635022241), we get a palindrome (178855558871).

The spelling of 142220536630 in words is "one hundred forty-two billion, two hundred twenty million, five hundred thirty-six thousand, six hundred thirty".