20245101205 has 32 divisors (see below), whose sum is σ = 28242120960. Its totient is φ = 13644011520.

The previous prime is 20245101203. The next prime is 20245101209. The reversal of 20245101205 is 50210154202.

It is not a de Polignac number, because 20245101205 - 2¹ = 20245101203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20245101203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3453637 + ... + 3459493.

It is an arithmetic number, because the mean of its divisors is an integer number (882566280).

Almost surely, 2^20245101205 is an apocalyptic number.

It is an amenable number.

20245101205 is a deficient number, since it is larger than the sum of its proper divisors (7997019755).

20245101205 is a wasteful number, since it uses less digits than its factorization.

20245101205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7549.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 20245101205 its reverse (50210154202), we get a palindrome (70455255407).

The spelling of 20245101205 in words is "twenty billion, two hundred forty-five million, one hundred one thousand, two hundred five".