1020544500 has 96 divisors (see below), whose sum is σ = 3101140224. Its totient is φ = 260304000.

The previous prime is 1020544487. The next prime is 1020544507. The reversal of 1020544500 is 54450201.

1020544500 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1020544500² = 2083022152960500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020544507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19710 + ... + 49290.

It is an arithmetic number, because the mean of its divisors is an integer number (32303544).

Almost surely, 2^1020544500 is an apocalyptic number.

1020544500 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 1020544500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550570112).

1020544500 is an abundant number, since it is smaller than the sum of its proper divisors (2080595724).

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

1020544500 is a wasteful number, since it uses less digits than its factorization.

1020544500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29626 (or 29614 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1020544500 is about 31945.9621861668. The cubic root of 1020544500 is about 1006.8017973260.

Adding to 1020544500 its reverse (54450201), we get a palindrome (1074994701).

The spelling of 1020544500 in words is "one billion, twenty million, five hundred forty-four thousand, five hundred".