1020430252 has 48 divisors (see below), whose sum is σ = 1880917920. Its totient is φ = 483881472.

The previous prime is 1020430237. The next prime is 1020430309. The reversal of 1020430252 is 2520340201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195858 + ... + 1196710.

It is an arithmetic number, because the mean of its divisors is an integer number (39185790).

Almost surely, 2^1020430252 is an apocalyptic number.

It is an amenable number.

1020430252 is a deficient number, since it is larger than the sum of its proper divisors (860487668).

1020430252 is a wasteful number, since it uses less digits than its factorization.

1020430252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1020430252 is about 31944.1739915121. The cubic root of 1020430252 is about 1006.7642260804.

Adding to 1020430252 its reverse (2520340201), we get a palindrome (3540770453).

The spelling of 1020430252 in words is "one billion, twenty million, four hundred thirty thousand, two hundred fifty-two".