20003561277325 has 12 divisors (see below), whose sum is σ = 24866895633460. Its totient is φ = 15962539570560.

The previous prime is 20003561277299. The next prime is 20003561277331. The reversal of 20003561277325 is 52377216530002.

It can be written as a sum of positive squares in 6 ways, for example, as 1522486999881 + 18481074277444 = 1233891^2 + 4298962^2 .

It is not a de Polignac number, because 20003561277325 - 2⁹ = 20003561276813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1007726160 + ... + 1007746009.

Almost surely, 2^{20003561277325} is an apocalyptic number.

20003561277325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20003561277325 is a deficient number, since it is larger than the sum of its proper divisors (4863334356135).

20003561277325 is a wasteful number, since it uses less digits than its factorization.

20003561277325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015472576 (or 2015472571 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 20003561277325 in words is "twenty trillion, three billion, five hundred sixty-one million, two hundred seventy-seven thousand, three hundred twenty-five".