20589090016 has 24 divisors (see below), whose sum is σ = 44219750904. Its totient is φ = 9358677120.

The previous prime is 20589090001. The next prime is 20589090019. The reversal of 20589090016 is 61009098502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20589090019) 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, 29245515 + ... + 29246218.

It is an arithmetic number, because the mean of its divisors is an integer number (1842489621).

Almost surely, 2^20589090016 is an apocalyptic number.

It is an amenable number.

20589090016 is an abundant number, since it is smaller than the sum of its proper divisors (23630660888).

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

20589090016 is a wasteful number, since it uses less digits than its factorization.

20589090016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58491754 (or 58491746 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 20589090016 in words is "twenty billion, five hundred eighty-nine million, ninety thousand, sixteen".