205134629052 has 24 divisors (see below), whose sum is σ = 481291934032. Its totient is φ = 68000428800.

The previous prime is 205134629033. The next prime is 205134629057. The reversal of 205134629052 is 250926431502.

It is a self number, because there is not a number n which added to its sum of digits gives 205134629052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205134629057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47220349 + ... + 47224692.

Almost surely, 2^205134629052 is an apocalyptic number.

It is an amenable number.

205134629052 is an abundant number, since it is smaller than the sum of its proper divisors (276157304980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205134629052 is a wasteful number, since it uses less digits than its factorization.

205134629052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94445229 (or 94445227 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 205134629052 in words is "two hundred five billion, one hundred thirty-four million, six hundred twenty-nine thousand, fifty-two".