5611920020 has 54 divisors (see below), whose sum is σ = 13714850142. Its totient is φ = 1923282816.

The previous prime is 5611920001. The next prime is 5611920053. The reversal of 5611920020 is 200291165.

It can be written as a sum of positive squares in 3 ways, for example, as 551874064 + 5060045956 = 23492^2 + 71134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2343944 + ... + 2346336.

Almost surely, 2^5611920020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5611920020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6857425071).

5611920020 is an abundant number, since it is smaller than the sum of its proper divisors (8102930122).

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

5611920020 is an equidigital number, since it uses as much as digits as its factorization.

5611920020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 5611920020 is about 74912.7493821980. The cubic root of 5611920020 is about 1777.0670907271.

The spelling of 5611920020 in words is "five billion, six hundred eleven million, nine hundred twenty thousand, twenty".