552040020 has 288 divisors, whose sum is σ = 2047997952. Its totient is φ = 117621504.

The previous prime is 552039991. The next prime is 552040067. The reversal of 552040020 is 20040255.

552040020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 552039975 and 552040002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1245919 + ... + 1246361.

It is an arithmetic number, because the mean of its divisors is an integer number (7111104).

Almost surely, 2^552040020 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 552040020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023998976).

552040020 is an abundant number, since it is smaller than the sum of its proper divisors (1495957932).

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

552040020 is a wasteful number, since it uses less digits than its factorization.

552040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 552040020 is about 23495.5319156643. The cubic root of 552040020 is about 820.3330096967. Note that the first 3 decimals are identical.

Adding to 552040020 its reverse (20040255), we get a palindrome (572080275).

The spelling of 552040020 in words is "five hundred fifty-two million, forty thousand, twenty".