534531513220 has 24 divisors (see below), whose sum is σ = 1133630203608. Its totient is φ = 211695648000.

The previous prime is 534531513181. The next prime is 534531513227. The reversal of 534531513220 is 22315135435.

It can be written as a sum of positive squares in 4 ways, for example, as 140860598596 + 393670914624 = 375314^2 + 627432^2 .

It is not an unprimeable number, because it can be changed into a prime (534531513227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132307761 + ... + 132311800.

It is an arithmetic number, because the mean of its divisors is an integer number (47234591817).

Almost surely, 2^534531513220 is an apocalyptic number.

It is an amenable number.

534531513220 is an abundant number, since it is smaller than the sum of its proper divisors (599098690388).

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

534531513220 is a wasteful number, since it uses less digits than its factorization.

534531513220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264619671 (or 264619669 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 534531513220 its reverse (22315135435), we get a palindrome (556846648655).

It can be divided in two parts, 5345315 and 13220, that added together give a palindrome (5358535).

The spelling of 534531513220 in words is "five hundred thirty-four billion, five hundred thirty-one million, five hundred thirteen thousand, two hundred twenty".