1553334680020 has 12 divisors (see below), whose sum is σ = 3262002828084. Its totient is φ = 621333872000.

The previous prime is 1553334679999. The next prime is 1553334680039. The reversal of 1553334680020 is 200864333551.

It can be written as a sum of positive squares in 2 ways, for example, as 703726365456 + 849608314564 = 838884^2 + 921742^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38833366981 + ... + 38833367020.

It is an arithmetic number, because the mean of its divisors is an integer number (271833569007).

Almost surely, 2^{1553334680020} is an apocalyptic number.

1553334680020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553334680020 is an abundant number, since it is smaller than the sum of its proper divisors (1708668148064).

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

1553334680020 is a wasteful number, since it uses less digits than its factorization.

1553334680020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77666734010 (or 77666734008 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 1553334680020 in words is "one trillion, five hundred fifty-three billion, three hundred thirty-four million, six hundred eighty thousand, twenty".