20338625325 has 24 divisors (see below), whose sum is σ = 35604560448. Its totient is φ = 10209191680.

The previous prime is 20338625267. The next prime is 20338625339. The reversal of 20338625325 is 52352683302.

It is not a de Polignac number, because 20338625325 - 2¹² = 20338621229 is a prime.

It is a super-2 number, since 2×20338625325² (a number of 21 digits) contains 22 as substring.

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, 7974657 + ... + 7977206.

It is an arithmetic number, because the mean of its divisors is an integer number (1483523352).

Almost surely, 2^20338625325 is an apocalyptic number.

20338625325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20338625325 is a deficient number, since it is larger than the sum of its proper divisors (15265935123).

20338625325 is a wasteful number, since it uses less digits than its factorization.

20338625325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15951893 (or 15951888 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 20338625325 in words is "twenty billion, three hundred thirty-eight million, six hundred twenty-five thousand, three hundred twenty-five".