1478245240020 has 48 divisors (see below), whose sum is σ = 4142573886528. Its totient is φ = 393866615040.

The previous prime is 1478245240009. The next prime is 1478245240049. The reversal of 1478245240020 is 200425428741.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10306801 + ... + 10449240.

It is an arithmetic number, because the mean of its divisors is an integer number (86303622636).

Almost surely, 2^{1478245240020} is an apocalyptic number.

1478245240020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1478245240020 is an abundant number, since it is smaller than the sum of its proper divisors (2664328646508).

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

1478245240020 is a wasteful number, since it uses less digits than its factorization.

1478245240020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20757240 (or 20757238 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 39.

The spelling of 1478245240020 in words is "one trillion, four hundred seventy-eight billion, two hundred forty-five million, two hundred forty thousand, twenty".