1343560020 has 144 divisors (see below), whose sum is σ = 4166745408. Its totient is φ = 320798720.

The previous prime is 1343559991. The next prime is 1343560027. The reversal of 1343560020 is 200653431.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343560027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5227732 + ... + 5227988.

It is an arithmetic number, because the mean of its divisors is an integer number (28935732).

Almost surely, 2^1343560020 is an apocalyptic number.

1343560020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343560020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083372704).

1343560020 is an abundant number, since it is smaller than the sum of its proper divisors (2823185388).

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

1343560020 is a wasteful number, since it uses less digits than its factorization.

1343560020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1343560020 is about 36654.6043492492. The cubic root of 1343560020 is about 1103.4492336533.

The spelling of 1343560020 in words is "one billion, three hundred forty-three million, five hundred sixty thousand, twenty".