20204200004 has 24 divisors (see below), whose sum is σ = 35633528280. Its totient is φ = 10023376896.

The previous prime is 20204199923. The next prime is 20204200043. The reversal of 20204200004 is 40000240202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 235683904 + 19968516100 = 15352^2 + 141310^2 .

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, 422564 + ... + 467940.

It is an arithmetic number, because the mean of its divisors is an integer number (1484730345).

Almost surely, 2^20204200004 is an apocalyptic number.

It is an amenable number.

20204200004 is a deficient number, since it is larger than the sum of its proper divisors (15429328276).

20204200004 is a wasteful number, since it uses less digits than its factorization.

20204200004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46247 (or 46245 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20204200004 its reverse (40000240202), we get a palindrome (60204440206).

It can be divided in two parts, 2020 and 4200004, that added together give a palindrome (4202024).

The spelling of 20204200004 in words is "twenty billion, two hundred four million, two hundred thousand, four".