1344221020 has 12 divisors (see below), whose sum is σ = 2822864184. Its totient is φ = 537688400.

The previous prime is 1344220981. The next prime is 1344221107. The reversal of 1344221020 is 201224431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33605506 + ... + 33605545.

It is an arithmetic number, because the mean of its divisors is an integer number (235238682).

Almost surely, 2^1344221020 is an apocalyptic number.

1344221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344221020 is an abundant number, since it is smaller than the sum of its proper divisors (1478643164).

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

1344221020 is a wasteful number, since it uses less digits than its factorization.

1344221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67211060 (or 67211058 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1344221020 is about 36663.6198431088. The cubic root of 1344221020 is about 1103.6301610285.

Adding to 1344221020 its reverse (201224431), we get a palindrome (1545445451).

The spelling of 1344221020 in words is "one billion, three hundred forty-four million, two hundred twenty-one thousand, twenty".