20342646325 has 24 divisors (see below), whose sum is σ = 25393731840. Its totient is φ = 16165531200.

The previous prime is 20342646319. The next prime is 20342646341. The reversal of 20342646325 is 52364624302.

It is not a de Polignac number, because 20342646325 - 2¹¹ = 20342644277 is a prime.

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, 2511432 + ... + 2519518.

It is an arithmetic number, because the mean of its divisors is an integer number (1058072160).

Almost surely, 2^20342646325 is an apocalyptic number.

20342646325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20342646325 is a deficient number, since it is larger than the sum of its proper divisors (5051085515).

20342646325 is a wasteful number, since it uses less digits than its factorization.

20342646325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757 (or 8752 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

The spelling of 20342646325 in words is "twenty billion, three hundred forty-two million, six hundred forty-six thousand, three hundred twenty-five".