1020309038 has 16 divisors (see below), whose sum is σ = 1755561984. Its totient is φ = 435660120.

The previous prime is 1020309023. The next prime is 1020309061. The reversal of 1020309038 is 8309030201.

It is a junction number, because it is equal to n+sod(n) for n = 1020308998 and 1020309016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130670 + ... + 138257.

It is an arithmetic number, because the mean of its divisors is an integer number (109722624).

Almost surely, 2^1020309038 is an apocalyptic number.

1020309038 is a deficient number, since it is larger than the sum of its proper divisors (735252946).

1020309038 is a wasteful number, since it uses less digits than its factorization.

1020309038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269207.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1020309038 is about 31942.2766564940. The cubic root of 1020309038 is about 1006.7243609513.

Adding to 1020309038 its reverse (8309030201), we get a palindrome (9329339239).

The spelling of 1020309038 in words is "one billion, twenty million, three hundred nine thousand, thirty-eight".