20411132120 has 16 divisors (see below), whose sum is σ = 45925047360. Its totient is φ = 8164452832.

The previous prime is 20411132099. The next prime is 20411132141. The reversal of 20411132120 is 2123111402.

It is an interprime number because it is at equal distance from previous prime (20411132099) and next prime (20411132141).

It is a super-2 number, since 2×20411132120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255139112 + ... + 255139191.

It is an arithmetic number, because the mean of its divisors is an integer number (2870315460).

Almost surely, 2^20411132120 is an apocalyptic number.

20411132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20411132120 is an abundant number, since it is smaller than the sum of its proper divisors (25513915240).

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

20411132120 is a wasteful number, since it uses less digits than its factorization.

20411132120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510278314 (or 510278310 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20411132120 its reverse (2123111402), we get a palindrome (22534243522).

The spelling of 20411132120 in words is "twenty billion, four hundred eleven million, one hundred thirty-two thousand, one hundred twenty".