20422406204 has 24 divisors (see below), whose sum is σ = 38374505568. Its totient is φ = 9475182080.

The previous prime is 20422406203. The next prime is 20422406273. The reversal of 20422406204 is 40260422402.

It is a happy number.

It is a super-2 number, since 2×20422406204² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422406201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110169 + ... + 2119824.

It is an arithmetic number, because the mean of its divisors is an integer number (1598937732).

Almost surely, 2^20422406204 is an apocalyptic number.

It is an amenable number.

20422406204 is a deficient number, since it is larger than the sum of its proper divisors (17952099364).

20422406204 is a wasteful number, since it uses less digits than its factorization.

20422406204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230085 (or 4230083 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20422406204 its reverse (40260422402), we get a palindrome (60682828606).

The spelling of 20422406204 in words is "twenty billion, four hundred twenty-two million, four hundred six thousand, two hundred four".