20289521114 has 16 divisors (see below), whose sum is σ = 32245501248. Its totient is φ = 9541797312.

The previous prime is 20289521081. The next prime is 20289521117. The reversal of 20289521114 is 41112598202.

It is not an unprimeable number, because it can be changed into a prime (20289521117) 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, 140912 + ... + 245835.

It is an arithmetic number, because the mean of its divisors is an integer number (2015343828).

Almost surely, 2^20289521114 is an apocalyptic number.

20289521114 is a deficient number, since it is larger than the sum of its proper divisors (11955980134).

20289521114 is a wasteful number, since it uses less digits than its factorization.

20289521114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388309.

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 20289521114 in words is "twenty billion, two hundred eighty-nine million, five hundred twenty-one thousand, one hundred fourteen".