1320505038 has 32 divisors (see below), whose sum is σ = 2964719520. Its totient is φ = 435628800.

The previous prime is 1320505031. The next prime is 1320505063. The reversal of 1320505038 is 8305050231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320505031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120813 + ... + 131288.

It is an arithmetic number, because the mean of its divisors is an integer number (92647485).

Almost surely, 2^1320505038 is an apocalyptic number.

1320505038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1320505038 is an abundant number, since it is smaller than the sum of its proper divisors (1644214482).

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

1320505038 is a wasteful number, since it uses less digits than its factorization.

1320505038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252209 (or 252203 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1320505038 is about 36338.7539412127. The cubic root of 1320505038 is about 1097.1011934426.

Adding to 1320505038 its reverse (8305050231), we get a palindrome (9625555269).

The spelling of 1320505038 in words is "one billion, three hundred twenty million, five hundred five thousand, thirty-eight".