1324649020 has 12 divisors (see below), whose sum is σ = 2781762984. Its totient is φ = 529859600.

The previous prime is 1324648999. The next prime is 1324649069. The reversal of 1324649020 is 209464231.

It is a happy number.

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, 33116206 + ... + 33116245.

It is an arithmetic number, because the mean of its divisors is an integer number (231813582).

Almost surely, 2^1324649020 is an apocalyptic number.

1324649020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1324649020 is an abundant number, since it is smaller than the sum of its proper divisors (1457113964).

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

1324649020 is a wasteful number, since it uses less digits than its factorization.

1324649020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66232460 (or 66232458 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1324649020 is about 36395.7280460221. The cubic root of 1324649020 is about 1098.2476285737.

The spelling of 1324649020 in words is "one billion, three hundred twenty-four million, six hundred forty-nine thousand, twenty".