512535133020 has 48 divisors (see below), whose sum is σ = 1435134653568. Its totient is φ = 136672580160.

The previous prime is 512535132983. The next prime is 512535133021. The reversal of 512535133020 is 20331535215.

It is a super-4 number, since 4×512535133020⁴ (a number of 48 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512535133021) 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, 3046915 + ... + 3210725.

It is an arithmetic number, because the mean of its divisors is an integer number (29898638616).

Almost surely, 2^512535133020 is an apocalyptic number.

It is an amenable number.

512535133020 is an abundant number, since it is smaller than the sum of its proper divisors (922599520548).

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

512535133020 is a wasteful number, since it uses less digits than its factorization.

512535133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215970 (or 215968 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 30.

Adding to 512535133020 its reverse (20331535215), we get a palindrome (532866668235).

The spelling of 512535133020 in words is "five hundred twelve billion, five hundred thirty-five million, one hundred thirty-three thousand, twenty".