1304440010020 has 48 divisors (see below), whose sum is σ = 3131090097408. Its totient is φ = 447174564480.

The previous prime is 1304440009993. The next prime is 1304440010089. The reversal of 1304440010020 is 200100444031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304440010020.

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, 373105 + ... + 1657735.

It is an arithmetic number, because the mean of its divisors is an integer number (65231043696).

Almost surely, 2^{1304440010020} is an apocalyptic number.

1304440010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304440010020 is an abundant number, since it is smaller than the sum of its proper divisors (1826650087388).

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

1304440010020 is a wasteful number, since it uses less digits than its factorization.

1304440010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291900 (or 1291898 counting only the distinct ones).

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

Adding to 1304440010020 its reverse (200100444031), we get a palindrome (1504540454051).

The spelling of 1304440010020 in words is "one trillion, three hundred four billion, four hundred forty million, ten thousand, twenty".