20204203005 has 40 divisors (see below), whose sum is σ = 41391896832. Its totient is φ = 9236205792.

The previous prime is 20204202983. The next prime is 20204203009. The reversal of 20204203005 is 50030240202.

It is not a de Polignac number, because 20204203005 - 2⁹ = 20204202493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204203009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3560517 + ... + 3566186.

Almost surely, 2^20204203005 is an apocalyptic number.

It is an amenable number.

20204203005 is an abundant number, since it is smaller than the sum of its proper divisors (21187693827).

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

20204203005 is an equidigital number, since it uses as much as digits as its factorization.

20204203005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126727 (or 7126718 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

Adding to 20204203005 its reverse (50030240202), we get a palindrome (70234443207).

The spelling of 20204203005 in words is "twenty billion, two hundred four million, two hundred three thousand, five".