20040422404 has 12 divisors (see below), whose sum is σ = 35071755264. Its totient is φ = 10019920904.

The previous prime is 20040422401. The next prime is 20040422411. The reversal of 20040422404 is 40422404002.

It is a super-4 number, since 4×20040422404⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (20040422401) 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, 181869 + ... + 270475.

It is an arithmetic number, because the mean of its divisors is an integer number (2922646272).

Almost surely, 2^20040422404 is an apocalyptic number.

It is an amenable number.

20040422404 is a deficient number, since it is larger than the sum of its proper divisors (15031332860).

20040422404 is a wasteful number, since it uses less digits than its factorization.

20040422404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145154 (or 145152 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20040422404 its reverse (40422404002), we get a palindrome (60462826406).

The spelling of 20040422404 in words is "twenty billion, forty million, four hundred twenty-two thousand, four hundred four".