342020250 has 192 divisors, whose sum is σ = 1087527168. Its totient is φ = 76464000.

The previous prime is 342020243. The next prime is 342020321. The reversal of 342020250 is 52020243.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 321219 + ... + 322281.

It is an arithmetic number, because the mean of its divisors is an integer number (5664204).

Almost surely, 2^342020250 is an apocalyptic number.

342020250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 342020250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543763584).

342020250 is an abundant number, since it is smaller than the sum of its proper divisors (745506918).

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

342020250 is a wasteful number, since it uses less digits than its factorization.

342020250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 342020250 is about 18493.7894980991. The cubic root of 342020250 is about 699.3328677957.

Adding to 342020250 its reverse (52020243), we get a palindrome (394040493).

The spelling of 342020250 in words is "three hundred forty-two million, twenty thousand, two hundred fifty".