342012020 has 24 divisors (see below), whose sum is σ = 820829184. Its totient is φ = 117261216.

The previous prime is 342012007. The next prime is 342012029. The reversal of 342012020 is 20210243.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 342011986 and 342012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342012029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1221332 + ... + 1221611.

It is an arithmetic number, because the mean of its divisors is an integer number (34201216).

Almost surely, 2^342012020 is an apocalyptic number.

It is an amenable number.

342012020 is an abundant number, since it is smaller than the sum of its proper divisors (478817164).

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

342012020 is a wasteful number, since it uses less digits than its factorization.

342012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442959 (or 2442957 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 342012020 is about 18493.5669896318. The cubic root of 342012020 is about 699.3272584244.

Adding to 342012020 its reverse (20210243), we get a palindrome (362222263).

The spelling of 342012020 in words is "three hundred forty-two million, twelve thousand, twenty".