20384516325 has 24 divisors (see below), whose sum is σ = 34524415296. Its totient is φ = 10606576000.

The previous prime is 20384516239. The next prime is 20384516351. The reversal of 20384516325 is 52361548302.

It is a happy number.

It is not a de Polignac number, because 20384516325 - 2⁷ = 20384516197 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3311481 + ... + 3317630.

It is an arithmetic number, because the mean of its divisors is an integer number (1438517304).

Almost surely, 2^20384516325 is an apocalyptic number.

20384516325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20384516325 is a deficient number, since it is larger than the sum of its proper divisors (14139898971).

20384516325 is a wasteful number, since it uses less digits than its factorization.

20384516325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6629165 (or 6629160 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 20384516325 in words is "twenty billion, three hundred eighty-four million, five hundred sixteen thousand, three hundred twenty-five".