20021128098 has 8 divisors (see below), whose sum is σ = 40042256208. Its totient is φ = 6673709364.

The previous prime is 20021128097. The next prime is 20021128163. The reversal of 20021128098 is 89082112002.

It is a sphenic number, since it is the product of 3 distinct primes.

20021128098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20021128097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668427336 + ... + 1668427347.

It is an arithmetic number, because the mean of its divisors is an integer number (5005282026).

Almost surely, 2^20021128098 is an apocalyptic number.

20021128098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20021128098 is a wasteful number, since it uses less digits than its factorization.

20021128098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336854688.

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 20021128098 in words is "twenty billion, twenty-one million, one hundred twenty-eight thousand, ninety-eight".