20325634624 has 63 divisors (see below), whose sum is σ = 41073398803. Its totient is φ = 9979760000.

The previous prime is 20325634621. The next prime is 20325634631. The reversal of 20325634624 is 42643652302.

The square root of 20325634624 is 142568.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20325634621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 80978499 + ... + 80978749.

Almost surely, 2^20325634624 is an apocalyptic number.

20325634624 is the 142568-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20325634624

20325634624 is an abundant number, since it is smaller than the sum of its proper divisors (20747764179).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20325634624 is an frugal number, since it uses more digits than its factorization.

20325634624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 324 counting only the distinct ones).

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

The spelling of 20325634624 in words is "twenty billion, three hundred twenty-five million, six hundred thirty-four thousand, six hundred twenty-four".