20053398508 has 24 divisors (see below), whose sum is σ = 41228666640. Its totient is φ = 8414013120.

The previous prime is 20053398503. The next prime is 20053398511. The reversal of 20053398508 is 80589335002.

It is not an unprimeable number, because it can be changed into a prime (20053398503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17528623 + ... + 17529766.

It is an arithmetic number, because the mean of its divisors is an integer number (1717861110).

Almost surely, 2^20053398508 is an apocalyptic number.

It is an amenable number.

20053398508 is an abundant number, since it is smaller than the sum of its proper divisors (21175268132).

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

20053398508 is a wasteful number, since it uses less digits than its factorization.

20053398508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35058417 (or 35058415 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 20053398508 in words is "twenty billion, fifty-three million, three hundred ninety-eight thousand, five hundred eight".