2042530420 has 48 divisors (see below), whose sum is σ = 4957182720. Its totient is φ = 692423424.

The previous prime is 2042530411. The next prime is 2042530421. The reversal of 2042530420 is 240352402.

It is a junction number, because it is equal to n+sod(n) for n = 2042530391 and 2042530400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042530421) 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, 69504 + ... + 94423.

It is an arithmetic number, because the mean of its divisors is an integer number (103274640).

Almost surely, 2^2042530420 is an apocalyptic number.

2042530420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2042530420 is an abundant number, since it is smaller than the sum of its proper divisors (2914652300).

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

2042530420 is a wasteful number, since it uses less digits than its factorization.

2042530420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164032 (or 164030 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2042530420 is about 45194.3627015583. The cubic root of 2042530420 is about 1268.7893105990.

Adding to 2042530420 its reverse (240352402), we get a palindrome (2282882822).

The spelling of 2042530420 in words is "two billion, forty-two million, five hundred thirty thousand, four hundred twenty".