1020532400 has 60 divisors (see below), whose sum is σ = 2530951104. Its totient is φ = 395040000.

The previous prime is 1020532397. The next prime is 1020532421. The reversal of 1020532400 is 42350201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28751 + ... + 53550.

Almost surely, 2^1020532400 is an apocalyptic number.

1020532400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020532400 is an abundant number, since it is smaller than the sum of its proper divisors (1510418704).

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

1020532400 is a wasteful number, since it uses less digits than its factorization.

1020532400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82350 (or 82339 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1020532400 is about 31945.7728032990. The cubic root of 1020532400 is about 1006.7978182900.

Adding to 1020532400 its reverse (42350201), we get a palindrome (1062882601).

The spelling of 1020532400 in words is "one billion, twenty million, five hundred thirty-two thousand, four hundred".