204620534 has 16 divisors (see below), whose sum is σ = 325749600. Its totient is φ = 96065664.

The previous prime is 204620527. The next prime is 204620539. The reversal of 204620534 is 435026402.

204620534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204620539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8072 + ... + 21780.

It is an arithmetic number, because the mean of its divisors is an integer number (20359350).

Almost surely, 2^204620534 is an apocalyptic number.

204620534 is a deficient number, since it is larger than the sum of its proper divisors (121129066).

204620534 is a wasteful number, since it uses less digits than its factorization.

204620534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 204620534 is about 14304.5633977413. The cubic root of 204620534 is about 589.2728127994.

Adding to 204620534 its reverse (435026402), we get a palindrome (639646936).

The spelling of 204620534 in words is "two hundred four million, six hundred twenty thousand, five hundred thirty-four".