20053402004 has 12 divisors (see below), whose sum is σ = 35421430464. Its totient is φ = 9932993304.

The previous prime is 20053402003. The next prime is 20053402013. The reversal of 20053402004 is 40020435002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053402003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23426444 + ... + 23427299.

It is an arithmetic number, because the mean of its divisors is an integer number (2951785872).

Almost surely, 2^20053402004 is an apocalyptic number.

It is an amenable number.

20053402004 is a deficient number, since it is larger than the sum of its proper divisors (15368028460).

20053402004 is a wasteful number, since it uses less digits than its factorization.

20053402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46853854 (or 46853852 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 20053402004 its reverse (40020435002), we get a palindrome (60073837006).

The spelling of 20053402004 in words is "twenty billion, fifty-three million, four hundred two thousand, four".