532440020 has 48 divisors (see below), whose sum is σ = 1293280128. Its totient is φ = 180347520.

The previous prime is 532440011. The next prime is 532440023. The reversal of 532440020 is 20044235.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 532439974 and 532440001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532440023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11291 + ... + 34530.

It is an arithmetic number, because the mean of its divisors is an integer number (26943336).

Almost surely, 2^532440020 is an apocalyptic number.

It is an amenable number.

532440020 is an abundant number, since it is smaller than the sum of its proper divisors (760840108).

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

532440020 is a wasteful number, since it uses less digits than its factorization.

532440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45920 (or 45918 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 532440020 is about 23074.6618610111. The cubic root of 532440020 is about 810.5072370351.

Adding to 532440020 its reverse (20044235), we get a palindrome (552484255).

The spelling of 532440020 in words is "five hundred thirty-two million, four hundred forty thousand, twenty".