205240102 has 8 divisors (see below), whose sum is σ = 307935936. Its totient is φ = 102594792.

The previous prime is 205240093. The next prime is 205240121. The reversal of 205240102 is 201042502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88 + ... + 20260.

It is an arithmetic number, because the mean of its divisors is an integer number (38491992).

Almost surely, 2^205240102 is an apocalyptic number.

205240102 is a deficient number, since it is larger than the sum of its proper divisors (102695834).

205240102 is a wasteful number, since it uses less digits than its factorization.

205240102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25262.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 205240102 is about 14326.2033351478. The cubic root of 205240102 is about 589.8669641635.

Adding to 205240102 its reverse (201042502), we get a palindrome (406282604).

The spelling of 205240102 in words is "two hundred five million, two hundred forty thousand, one hundred two".