20510504414 has 8 divisors (see below), whose sum is σ = 30768645288. Its totient is φ = 10254289320.

The previous prime is 20510504393. The next prime is 20510504419. The reversal of 20510504414 is 41440501502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20510504419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454517 + ... + 497600.

It is an arithmetic number, because the mean of its divisors is an integer number (3846080661).

Almost surely, 2^20510504414 is an apocalyptic number.

20510504414 is a deficient number, since it is larger than the sum of its proper divisors (10258140874).

20510504414 is a wasteful number, since it uses less digits than its factorization.

20510504414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962890.

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 20510504414 in words is "twenty billion, five hundred ten million, five hundred four thousand, four hundred fourteen".