342130221020 has 48 divisors (see below), whose sum is σ = 826623403200. Its totient is φ = 116514522624.

The previous prime is 342130221019. The next prime is 342130221053. The reversal of 342130221020 is 20122031243.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 342130220983 and 342130221001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8179769 + ... + 8221488.

It is an arithmetic number, because the mean of its divisors is an integer number (17221320900).

Almost surely, 2^342130221020 is an apocalyptic number.

It is an amenable number.

342130221020 is an abundant number, since it is smaller than the sum of its proper divisors (484493182180).

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

342130221020 is a wasteful number, since it uses less digits than its factorization.

342130221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16401422 (or 16401420 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 342130221020 its reverse (20122031243), we get a palindrome (362252252263).

The spelling of 342130221020 in words is "three hundred forty-two billion, one hundred thirty million, two hundred twenty-one thousand, twenty".