210320242 has 32 divisors (see below), whose sum is σ = 354025728. Its totient is φ = 92880000.

The previous prime is 210320221. The next prime is 210320251. The reversal of 210320242 is 242023012.

210320242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388492 + ... + 389032.

It is an arithmetic number, because the mean of its divisors is an integer number (11063304).

Almost surely, 2^210320242 is an apocalyptic number.

210320242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210320242 is a deficient number, since it is larger than the sum of its proper divisors (143705486).

210320242 is a wasteful number, since it uses less digits than its factorization.

210320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 210320242 is about 14502.4219356630. The cubic root of 210320242 is about 594.6941836395.

Adding to 210320242 its reverse (242023012), we get a palindrome (452343254).

The spelling of 210320242 in words is "two hundred ten million, three hundred twenty thousand, two hundred forty-two".