1030453020 has 72 divisors (see below), whose sum is σ = 3226554240. Its totient is φ = 265921920.

The previous prime is 1030453003. The next prime is 1030453031. The reversal of 1030453020 is 203540301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1030452984 and 1030453002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86755 + ... + 97914.

Almost surely, 2^1030453020 is an apocalyptic number.

1030453020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030453020 is an abundant number, since it is smaller than the sum of its proper divisors (2196101220).

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

1030453020 is a wasteful number, since it uses less digits than its factorization.

1030453020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184715 (or 184710 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1030453020 is about 32100.6700864639. The cubic root of 1030453020 is about 1010.0496724255.

Adding to 1030453020 its reverse (203540301), we get a palindrome (1233993321).

The spelling of 1030453020 in words is "one billion, thirty million, four hundred fifty-three thousand, twenty".