20258011541 has 8 divisors (see below), whose sum is σ = 20397651000. Its totient is φ = 20118421440.

The previous prime is 20258011531. The next prime is 20258011559. The reversal of 20258011541 is 14511085202.

It can be written as a sum of positive squares in 4 ways, for example, as 1069944100 + 19188067441 = 32710^2 + 138521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20258011541 - 2²² = 20253817237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20258011531) 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, 1252655 + ... + 1268723.

It is an arithmetic number, because the mean of its divisors is an integer number (2549706375).

Almost surely, 2^20258011541 is an apocalyptic number.

It is an amenable number.

20258011541 is a deficient number, since it is larger than the sum of its proper divisors (139639459).

20258011541 is a wasteful number, since it uses less digits than its factorization.

20258011541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24679.

The product of its (nonzero) digits is 3200, while the sum is 29.

Adding to 20258011541 its reverse (14511085202), we get a palindrome (34769096743).

The spelling of 20258011541 in words is "twenty billion, two hundred fifty-eight million, eleven thousand, five hundred forty-one".