512354020 has 72 divisors (see below), whose sum is σ = 1130822784. Its totient is φ = 194957952.

The previous prime is 512354009. The next prime is 512354039. The reversal of 512354020 is 20453215.

It is a junction number, because it is equal to n+sod(n) for n = 512353982 and 512354000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1395877 + ... + 1396243.

It is an arithmetic number, because the mean of its divisors is an integer number (15705872).

Almost surely, 2^512354020 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 512354020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565411392).

512354020 is an abundant number, since it is smaller than the sum of its proper divisors (618468764).

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

512354020 is a wasteful number, since it uses less digits than its factorization.

512354020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 512354020 is about 22635.2384568840. The cubic root of 512354020 is about 800.1843429355.

It can be divided in two parts, 51235 and 4020, that added together give a palindrome (55255).

The spelling of 512354020 in words is "five hundred twelve million, three hundred fifty-four thousand, twenty".