2050505520240 has 80 divisors (see below), whose sum is σ = 6446096280576. Its totient is φ = 539100038400.

The previous prime is 2050505520197. The next prime is 2050505520247. The reversal of 2050505520240 is 420255050502.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2050505520198 and 2050505520207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050505520247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 60150376 + ... + 60184455.

Almost surely, 2^{2050505520240} is an apocalyptic number.

2050505520240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050505520240 is an abundant number, since it is smaller than the sum of its proper divisors (4395590760336).

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

2050505520240 is a wasteful number, since it uses less digits than its factorization.

2050505520240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120334918 (or 120334912 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The spelling of 2050505520240 in words is "two trillion, fifty billion, five hundred five million, five hundred twenty thousand, two hundred forty".