210305203425530 has 128 divisors (see below), whose sum is σ = 392060117030400. Its totient is φ = 81189982900224.

The previous prime is 210305203425529. The next prime is 210305203425547. The reversal of 210305203425530 is 35524302503012.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11690757776 + ... + 11690775764.

It is an arithmetic number, because the mean of its divisors is an integer number (3062969664300).

Almost surely, 2^{210305203425530} is an apocalyptic number.

210305203425530 is a deficient number, since it is larger than the sum of its proper divisors (181754913604870).

210305203425530 is a wasteful number, since it uses less digits than its factorization.

210305203425530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20008.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 210305203425530 its reverse (35524302503012), we get a palindrome (245829505928542).

The spelling of 210305203425530 in words is "two hundred ten trillion, three hundred five billion, two hundred three million, four hundred twenty-five thousand, five hundred thirty".