20325205098 has 80 divisors (see below), whose sum is σ = 49730082336. Its totient is φ = 6153420960.

The previous prime is 20325205093. The next prime is 20325205111. The reversal of 20325205098 is 89050252302.

It is a super-2 number, since 2×20325205098² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20325205093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2156865 + ... + 2166267.

Almost surely, 2^20325205098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20325205098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24865041168).

20325205098 is an abundant number, since it is smaller than the sum of its proper divisors (29404877238).

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

20325205098 is a wasteful number, since it uses less digits than its factorization.

20325205098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10641 (or 10632 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 20325205098 in words is "twenty billion, three hundred twenty-five million, two hundred five thousand, ninety-eight".