2020101005440 has 128 divisors (see below), whose sum is σ = 5709522297600. Its totient is φ = 668723048448.

The previous prime is 2020101005413. The next prime is 2020101005441. The reversal of 2020101005440 is 445001010202.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (2020101005441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7644484 + ... + 7904323.

It is an arithmetic number, because the mean of its divisors is an integer number (44605642950).

Almost surely, 2^{2020101005440} is an apocalyptic number.

2020101005440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020101005440 is an abundant number, since it is smaller than the sum of its proper divisors (3689421292160).

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

2020101005440 is a wasteful number, since it uses less digits than its factorization.

2020101005440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15548862 (or 15548850 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 2020101005440 its reverse (445001010202), we get a palindrome (2465102015642).

The spelling of 2020101005440 in words is "two trillion, twenty billion, one hundred one million, five thousand, four hundred forty".