2020523544440 has 64 divisors (see below), whose sum is σ = 4550298012000. Its totient is φ = 807477355008.

The previous prime is 2020523544439. The next prime is 2020523544463. The reversal of 2020523544440 is 444453250202.

It is a self number, because there is not a number n which added to its sum of digits gives 2020523544440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388783922 + ... + 388789118.

Almost surely, 2^{2020523544440} is an apocalyptic number.

2020523544440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020523544440 is an abundant number, since it is smaller than the sum of its proper divisors (2529774467560).

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

2020523544440 is a wasteful number, since it uses less digits than its factorization.

2020523544440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12144 (or 12140 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 2020523544440 its reverse (444453250202), we get a palindrome (2464976794642).

The spelling of 2020523544440 in words is "two trillion, twenty billion, five hundred twenty-three million, five hundred forty-four thousand, four hundred forty".