1339460020 has 24 divisors (see below), whose sum is σ = 2813766984. Its totient is φ = 535612416.

The previous prime is 1339460009. The next prime is 1339460027. The reversal of 1339460020 is 200649331.

It can be written as a sum of positive squares in 4 ways, for example, as 6041764 + 1333418256 = 2458^2 + 36516^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339460027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67032 + ... + 84688.

It is an arithmetic number, because the mean of its divisors is an integer number (117240291).

Almost surely, 2^1339460020 is an apocalyptic number.

1339460020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1339460020 is an abundant number, since it is smaller than the sum of its proper divisors (1474306964).

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

1339460020 is a wasteful number, since it uses less digits than its factorization.

1339460020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459 (or 21457 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1339460020 is about 36598.6341275190. The cubic root of 1339460020 is about 1102.3256635469.

The spelling of 1339460020 in words is "one billion, three hundred thirty-nine million, four hundred sixty thousand, twenty".