1020502430 has 16 divisors (see below), whose sum is σ = 1859037264. Its totient is φ = 403282560.

The previous prime is 1020502429. The next prime is 1020502463. The reversal of 1020502430 is 342050201.

It is a junction number, because it is equal to n+sod(n) for n = 1020502399 and 1020502408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613931 + ... + 615590.

It is an arithmetic number, because the mean of its divisors is an integer number (116189829).

Almost surely, 2^1020502430 is an apocalyptic number.

1020502430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020502430 is a deficient number, since it is larger than the sum of its proper divisors (838534834).

1020502430 is a wasteful number, since it uses less digits than its factorization.

1020502430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229611.

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

The square root of 1020502430 is about 31945.3037237087. The cubic root of 1020502430 is about 1006.7879626415.

Adding to 1020502430 its reverse (342050201), we get a palindrome (1362552631).

The spelling of 1020502430 in words is "one billion, twenty million, five hundred two thousand, four hundred thirty".