20411532118 has 4 divisors (see below), whose sum is σ = 30617298180. Its totient is φ = 10205766058.

The previous prime is 20411532067. The next prime is 20411532131. The reversal of 20411532118 is 81123511402.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102883028 + ... + 5102883031.

It is an arithmetic number, because the mean of its divisors is an integer number (7654324545).

Almost surely, 2^20411532118 is an apocalyptic number.

20411532118 is a deficient number, since it is larger than the sum of its proper divisors (10205766062).

20411532118 is a wasteful number, since it uses less digits than its factorization.

20411532118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205766061.

The product of its (nonzero) digits is 1920, while the sum is 28.

The spelling of 20411532118 in words is "twenty billion, four hundred eleven million, five hundred thirty-two thousand, one hundred eighteen".