205015382 has 24 divisors (see below), whose sum is σ = 364028448. Its totient is φ = 86019120.

The previous prime is 205015373. The next prime is 205015387. The reversal of 205015382 is 283510502.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205015387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29438 + ... + 35729.

It is an arithmetic number, because the mean of its divisors is an integer number (15167852).

Almost surely, 2^205015382 is an apocalyptic number.

205015382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

205015382 is a deficient number, since it is larger than the sum of its proper divisors (159013066).

205015382 is a wasteful number, since it uses less digits than its factorization.

205015382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65204 (or 65193 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 205015382 is about 14318.3582159408. The cubic root of 205015382 is about 589.6516012609.

Adding to 205015382 its reverse (283510502), we get a palindrome (488525884).

The spelling of 205015382 in words is "two hundred five million, fifteen thousand, three hundred eighty-two".