1020171544700 has 144 divisors (see below), whose sum is σ = 2765705316864. Its totient is φ = 317321452800.

The previous prime is 1020171544699. The next prime is 1020171544771. The reversal of 1020171544700 is 74451710201.

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 47 ways as a sum of consecutive naturals, for example, 3613874 + ... + 3885926.

Almost surely, 2^{1020171544700} is an apocalyptic number.

1020171544700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020171544700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382852658432).

1020171544700 is an abundant number, since it is smaller than the sum of its proper divisors (1745533772164).

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

1020171544700 is a wasteful number, since it uses less digits than its factorization.

1020171544700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272572 (or 272565 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 32.

The spelling of 1020171544700 in words is "one trillion, twenty billion, one hundred seventy-one million, five hundred forty-four thousand, seven hundred".