1305423614020 has 48 divisors (see below), whose sum is σ = 2838433575600. Its totient is φ = 503716792320.

The previous prime is 1305423613969. The next prime is 1305423614039. The reversal of 1305423614020 is 204163245031.

It can be written as a sum of positive squares in 8 ways, for example, as 184416995844 + 1121006618176 = 429438^2 + 1058776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341961 + ... + 1651600.

It is an arithmetic number, because the mean of its divisors is an integer number (59134032825).

Almost surely, 2^{1305423614020} is an apocalyptic number.

1305423614020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1305423614020 is an abundant number, since it is smaller than the sum of its proper divisors (1533009961580).

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

1305423614020 is a wasteful number, since it uses less digits than its factorization.

1305423614020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994728 (or 1994726 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 1305423614020 its reverse (204163245031), we get a palindrome (1509586859051).

The spelling of 1305423614020 in words is "one trillion, three hundred five billion, four hundred twenty-three million, six hundred fourteen thousand, twenty".