205201429504 has 22 divisors (see below), whose sum is σ = 410202469034. Its totient is φ = 102600714240.

The previous prime is 205201429441. The next prime is 205201429523. The reversal of 205201429504 is 405924102502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 187870233600 + 17331195904 = 433440^2 + 131648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 205201429504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100194987 + ... + 100197034.

Almost surely, 2^205201429504 is an apocalyptic number.

It is an amenable number.

205201429504 is a deficient number, since it is larger than the sum of its proper divisors (205001039530).

205201429504 is an equidigital number, since it uses as much as digits as its factorization.

205201429504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200392041 (or 200392023 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 205201429504 in words is "two hundred five billion, two hundred one million, four hundred twenty-nine thousand, five hundred four".