205013998 has 8 divisors (see below), whose sum is σ = 351452592. Its totient is φ = 87863136.

The previous prime is 205013993. The next prime is 205014001. The reversal of 205013998 is 899310502.

205013998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205013993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7321915 + ... + 7321942.

It is an arithmetic number, because the mean of its divisors is an integer number (43931574).

Almost surely, 2^205013998 is an apocalyptic number.

205013998 is a deficient number, since it is larger than the sum of its proper divisors (146438594).

205013998 is a wasteful number, since it uses less digits than its factorization.

205013998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14643866.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 205013998 is about 14318.3098862959. The cubic root of 205013998 is about 589.6502744016.

The spelling of 205013998 in words is "two hundred five million, thirteen thousand, nine hundred ninety-eight".