20315450325 has 24 divisors (see below), whose sum is σ = 34496005408. Its totient is φ = 10542070080.

The previous prime is 20315450297. The next prime is 20315450333. The reversal of 20315450325 is 52305451302.

It is not a de Polignac number, because 20315450325 - 2¹¹ = 20315448277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20315450292 and 20315450301.

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, 3657667 + ... + 3663216.

Almost surely, 2^20315450325 is an apocalyptic number.

20315450325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20315450325 is a deficient number, since it is larger than the sum of its proper divisors (14180555083).

20315450325 is a wasteful number, since it uses less digits than its factorization.

20315450325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320933 (or 7320928 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 20315450325 in words is "twenty billion, three hundred fifteen million, four hundred fifty thousand, three hundred twenty-five".