20422424024 has 8 divisors (see below), whose sum is σ = 38292045060. Its totient is φ = 10211212008.

The previous prime is 20422423979. The next prime is 20422424041. The reversal of 20422424024 is 42042422402.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20422423984 and 20422424002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276401494 + ... + 1276401509.

Almost surely, 2^20422424024 is an apocalyptic number.

It is an amenable number.

20422424024 is a deficient number, since it is larger than the sum of its proper divisors (17869621036).

20422424024 is a wasteful number, since it uses less digits than its factorization.

20422424024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552803009 (or 2552803005 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20422424024 its reverse (42042422402), we get a palindrome (62464846426).

The spelling of 20422424024 in words is "twenty billion, four hundred twenty-two million, four hundred twenty-four thousand, twenty-four".