20523010415 has 8 divisors (see below), whose sum is σ = 24628546800. Its totient is φ = 16417785472.

The previous prime is 20523010367. The next prime is 20523010421. The reversal of 20523010415 is 51401032502.

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 20523010415 - 2⁸ = 20523010159 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107036 + ... + 229134.

It is an arithmetic number, because the mean of its divisors is an integer number (3078568350).

Almost surely, 2^20523010415 is an apocalyptic number.

20523010415 is a deficient number, since it is larger than the sum of its proper divisors (4105536385).

20523010415 is a wasteful number, since it uses less digits than its factorization.

20523010415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155721.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 20523010415 its reverse (51401032502), we get a palindrome (71924042917).

The spelling of 20523010415 in words is "twenty billion, five hundred twenty-three million, ten thousand, four hundred fifteen".