205240150401 has 128 divisors (see below), whose sum is σ = 342790963200. Its totient is φ = 107380650240.

The previous prime is 205240150393. The next prime is 205240150411. The reversal of 205240150401 is 104051042502.

It is not a de Polignac number, because 205240150401 - 2³ = 205240150393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205240150411) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 237821296 + ... + 237822158.

It is an arithmetic number, because the mean of its divisors is an integer number (2678054400).

Almost surely, 2^205240150401 is an apocalyptic number.

It is an amenable number.

205240150401 is a deficient number, since it is larger than the sum of its proper divisors (137550812799).

205240150401 is a wasteful number, since it uses less digits than its factorization.

205240150401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 205240150401 its reverse (104051042502), we get a palindrome (309291192903).

The spelling of 205240150401 in words is "two hundred five billion, two hundred forty million, one hundred fifty thousand, four hundred one".