20089098390 has 64 divisors (see below), whose sum is σ = 51665112576. Its totient is φ = 4981212672.

The previous prime is 20089098383. The next prime is 20089098391. The reversal of 20089098390 is 9389098002.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20089098391) 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 31 ways as a sum of consecutive naturals, for example, 194962 + ... + 279621.

It is an arithmetic number, because the mean of its divisors is an integer number (807267384).

Almost surely, 2^20089098390 is an apocalyptic number.

20089098390 is an abundant number, since it is smaller than the sum of its proper divisors (31576014186).

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

20089098390 is a wasteful number, since it uses less digits than its factorization.

20089098390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474693.

The product of its (nonzero) digits is 279936, while the sum is 48.

The spelling of 20089098390 in words is "twenty billion, eighty-nine million, ninety-eight thousand, three hundred ninety".