1020203130 has 32 divisors (see below), whose sum is σ = 2452659264. Its totient is φ = 271590656.

The previous prime is 1020203089. The next prime is 1020203131. The reversal of 1020203130 is 313020201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1020203131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10884 + ... + 46463.

It is an arithmetic number, because the mean of its divisors is an integer number (76645602).

Almost surely, 2^1020203130 is an apocalyptic number.

1020203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020203130 is an abundant number, since it is smaller than the sum of its proper divisors (1432456134).

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

1020203130 is a wasteful number, since it uses less digits than its factorization.

1020203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57950.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1020203130 is about 31940.6188105365. The cubic root of 1020203130 is about 1006.6895271088.

Adding to 1020203130 its reverse (313020201), we get a palindrome (1333223331).

The spelling of 1020203130 in words is "one billion, twenty million, two hundred three thousand, one hundred thirty".