1303023020 has 48 divisors (see below), whose sum is σ = 3002469120. Its totient is φ = 472033536.

The previous prime is 1303022999. The next prime is 1303023037. The reversal of 1303023020 is 203203031.

It is a junction number, because it is equal to n+sod(n) for n = 1303022986 and 1303023004.

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, 33500 + ... + 61059.

It is an arithmetic number, because the mean of its divisors is an integer number (62551440).

Almost surely, 2^1303023020 is an apocalyptic number.

1303023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303023020 is an abundant number, since it is smaller than the sum of its proper divisors (1699446100).

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

1303023020 is a wasteful number, since it uses less digits than its factorization.

1303023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94634 (or 94632 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1303023020 is about 36097.4101564087. The cubic root of 1303023020 is about 1092.2382031669.

Adding to 1303023020 its reverse (203203031), we get a palindrome (1506226051).

The spelling of 1303023020 in words is "one billion, three hundred three million, twenty-three thousand, twenty".