2020135040 has 128 divisors (see below), whose sum is σ = 6021198720. Its totient is φ = 629637120.

The previous prime is 2020135031. The next prime is 2020135049. The reversal of 2020135040 is 405310202.

It is an interprime number because it is at equal distance from previous prime (2020135031) and next prime (2020135049).

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 (2020135049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28784 + ... + 69776.

It is an arithmetic number, because the mean of its divisors is an integer number (47040615).

Almost surely, 2^2020135040 is an apocalyptic number.

2020135040 is a gapful number since it is divisible by the number (20) 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 2020135040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3010599360).

2020135040 is an abundant number, since it is smaller than the sum of its proper divisors (4001063680).

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

2020135040 is a wasteful number, since it uses less digits than its factorization.

2020135040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41030 (or 41018 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2020135040 is about 44945.9123836640. The cubic root of 2020135040 is about 1264.1350333760.

Adding to 2020135040 its reverse (405310202), we get a palindrome (2425445242).

The spelling of 2020135040 in words is "two billion, twenty million, one hundred thirty-five thousand, forty".