1343401020 has 288 divisors, whose sum is σ = 4641436800. Its totient is φ = 312035328.

The previous prime is 1343401009. The next prime is 1343401051. The reversal of 1343401020 is 201043431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1343400984 and 1343401002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5866266 + ... + 5866494.

It is an arithmetic number, because the mean of its divisors is an integer number (16116100).

Almost surely, 2^1343401020 is an apocalyptic number.

1343401020 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 1343401020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320718400).

1343401020 is an abundant number, since it is smaller than the sum of its proper divisors (3298035780).

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

1343401020 is a wasteful number, since it uses less digits than its factorization.

1343401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1343401020 is about 36652.4353897528. The cubic root of 1343401020 is about 1103.4057036914.

Adding to 1343401020 its reverse (201043431), we get a palindrome (1544444451).

The spelling of 1343401020 in words is "one billion, three hundred forty-three million, four hundred one thousand, twenty".