20552225325 has 24 divisors (see below), whose sum is σ = 35151396000. Its totient is φ = 10583213760.

The previous prime is 20552225321. The next prime is 20552225333. The reversal of 20552225325 is 52352225502.

It is a happy number.

It is not a de Polignac number, because 20552225325 - 2² = 20552225321 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20552225321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4722475 + ... + 4726824.

It is an arithmetic number, because the mean of its divisors is an integer number (1464641500).

Almost surely, 2^20552225325 is an apocalyptic number.

20552225325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20552225325 is a deficient number, since it is larger than the sum of its proper divisors (14599170675).

20552225325 is a wasteful number, since it uses less digits than its factorization.

20552225325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9449341 (or 9449336 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 20552225325 in words is "twenty billion, five hundred fifty-two million, two hundred twenty-five thousand, three hundred twenty-five".