538133020 has 24 divisors (see below), whose sum is σ = 1131198768. Its totient is φ = 215040000.

The previous prime is 538133017. The next prime is 538133021. The reversal of 538133020 is 20331835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538133021) 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, 8220 + ... + 33820.

It is an arithmetic number, because the mean of its divisors is an integer number (47133282).

Almost surely, 2^538133020 is an apocalyptic number.

It is an amenable number.

538133020 is an abundant number, since it is smaller than the sum of its proper divisors (593065748).

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

538133020 is a wasteful number, since it uses less digits than its factorization.

538133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26661 (or 26659 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 538133020 is about 23197.6942819755. The cubic root of 538133020 is about 813.3857266407.

Adding to 538133020 its reverse (20331835), we get a palindrome (558464855).

The spelling of 538133020 in words is "five hundred thirty-eight million, one hundred thirty-three thousand, twenty".