205401055130 has 32 divisors (see below), whose sum is σ = 375361210944. Its totient is φ = 80908033536.

The previous prime is 205401055121. The next prime is 205401055151. The reversal of 205401055130 is 31550104502.

It is a self number, because there is not a number n which added to its sum of digits gives 205401055130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2098154 + ... + 2193866.

It is an arithmetic number, because the mean of its divisors is an integer number (11730037842).

Almost surely, 2^205401055130 is an apocalyptic number.

205401055130 is a deficient number, since it is larger than the sum of its proper divisors (169960155814).

205401055130 is a wasteful number, since it uses less digits than its factorization.

205401055130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98990.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 205401055130 its reverse (31550104502), we get a palindrome (236951159632).

The spelling of 205401055130 in words is "two hundred five billion, four hundred one million, fifty-five thousand, one hundred thirty".