20465824375 has 20 divisors (see below), whose sum is σ = 25583760576. Its totient is φ = 16366472000.

The previous prime is 20465824367. The next prime is 20465824381. The reversal of 20465824375 is 57342856402.

It is not a de Polignac number, because 20465824375 - 2³ = 20465824367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2391354 + ... + 2399896.

Almost surely, 2^20465824375 is an apocalyptic number.

20465824375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20465824375 is a deficient number, since it is larger than the sum of its proper divisors (5117936201).

20465824375 is an frugal number, since it uses more digits than its factorization.

20465824375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12396 (or 12381 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 20465824375 in words is "twenty billion, four hundred sixty-five million, eight hundred twenty-four thousand, three hundred seventy-five".