344342020 has 24 divisors (see below), whose sum is σ = 788856768. Its totient is φ = 125215200.

The previous prime is 344342003. The next prime is 344342023. The reversal of 344342020 is 20243443.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 344341982 and 344342000.

It is not an unprimeable number, because it can be changed into a prime (344342023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782376 + ... + 782815.

It is an arithmetic number, because the mean of its divisors is an integer number (32869032).

Almost surely, 2^344342020 is an apocalyptic number.

It is an amenable number.

344342020 is an abundant number, since it is smaller than the sum of its proper divisors (444514748).

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

344342020 is a wasteful number, since it uses less digits than its factorization.

344342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565211 (or 1565209 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344342020 is about 18556.4549416099. The cubic root of 344342020 is about 700.9117507037.

Adding to 344342020 its reverse (20243443), we get a palindrome (364585463).

The spelling of 344342020 in words is "three hundred forty-four million, three hundred forty-two thousand, twenty".