342130020 has 48 divisors (see below), whose sum is σ = 961396800. Its totient is φ = 90907776.

The previous prime is 342130007. The next prime is 342130021. The reversal of 342130020 is 20031243.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (342130021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6906 + ... + 27054.

It is an arithmetic number, because the mean of its divisors is an integer number (20029100).

Almost surely, 2^342130020 is an apocalyptic number.

342130020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342130020 is an abundant number, since it is smaller than the sum of its proper divisors (619266780).

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

342130020 is a wasteful number, since it uses less digits than its factorization.

342130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20444 (or 20442 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 342130020 is about 18496.7570130550. The cubic root of 342130020 is about 699.4076758008.

Adding to 342130020 its reverse (20031243), we get a palindrome (362161263).

The spelling of 342130020 in words is "three hundred forty-two million, one hundred thirty thousand, twenty".