1020143200 has 36 divisors (see below), whose sum is σ = 2490426540. Its totient is φ = 408056960.

The previous prime is 1020143197. The next prime is 1020143207. The reversal of 1020143200 is 23410201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020143207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 636790 + ... + 638389.

It is an arithmetic number, because the mean of its divisors is an integer number (69178515).

Almost surely, 2^1020143200 is an apocalyptic number.

1020143200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020143200 is an abundant number, since it is smaller than the sum of its proper divisors (1470283340).

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

1020143200 is a wasteful number, since it uses less digits than its factorization.

1020143200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275199 (or 1275186 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1020143200 is about 31939.6806496245. The cubic root of 1020143200 is about 1006.6698146669.

Adding to 1020143200 its reverse (23410201), we get a palindrome (1043553401).

The spelling of 1020143200 in words is "one billion, twenty million, one hundred forty-three thousand, two hundred".