20052004240 has 40 divisors (see below), whose sum is σ = 47705125248. Its totient is φ = 7834270080.

The previous prime is 20052004201. The next prime is 20052004307. The reversal of 20052004240 is 4240025002.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2911096 + ... + 2917975.

Almost surely, 2^20052004240 is an apocalyptic number.

20052004240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20052004240 is an abundant number, since it is smaller than the sum of its proper divisors (27653121008).

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

20052004240 is a wasteful number, since it uses less digits than its factorization.

20052004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829127 (or 5829121 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 20052004240 its reverse (4240025002), we get a palindrome (24292029242).

The spelling of 20052004240 in words is "twenty billion, fifty-two million, four thousand, two hundred forty".