205100375007 has 32 divisors (see below), whose sum is σ = 311470718976. Its totient is φ = 118833026400.

The previous prime is 205100374993. The next prime is 205100375017. The reversal of 205100375007 is 700573001502.

It is not a de Polignac number, because 205100375007 - 2⁴ = 205100374991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205100375017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1315938 + ... + 1463520.

It is an arithmetic number, because the mean of its divisors is an integer number (9733459968).

Almost surely, 2^205100375007 is an apocalyptic number.

205100375007 is a deficient number, since it is larger than the sum of its proper divisors (106370343969).

205100375007 is a wasteful number, since it uses less digits than its factorization.

205100375007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149451.

The product of its (nonzero) digits is 7350, while the sum is 30.

Adding to 205100375007 its reverse (700573001502), we get a palindrome (905673376509).

The spelling of 205100375007 in words is "two hundred five billion, one hundred million, three hundred seventy-five thousand, seven".