1020525600 has 288 divisors, whose sum is σ = 3462528384. Its totient is φ = 260915200.

The previous prime is 1020525599. The next prime is 1020525613. The reversal of 1020525600 is 65250201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9031144 + ... + 9031256.

It is an arithmetic number, because the mean of its divisors is an integer number (12022668).

Almost surely, 2^1020525600 is an apocalyptic number.

1020525600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020525600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731264192).

1020525600 is an abundant number, since it is smaller than the sum of its proper divisors (2442002784).

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

1020525600 is a wasteful number, since it uses less digits than its factorization.

1020525600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1020525600 is about 31945.6663727649. Note that the first 3 decimals coincide. The cubic root of 1020525600 is about 1006.7955821237.

Adding to 1020525600 its reverse (65250201), we get a palindrome (1085775801).

The spelling of 1020525600 in words is "one billion, twenty million, five hundred twenty-five thousand, six hundred".