20042422024 has 8 divisors (see below), whose sum is σ = 37579541310. Its totient is φ = 10021211008.

The previous prime is 20042422013. The next prime is 20042422027. The reversal of 20042422024 is 42022424002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17191929924 + 2850492100 = 131118^2 + 53390^2 .

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 = 20042421986 and 20042422004.

It is not an unprimeable number, because it can be changed into a prime (20042422027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252651369 + ... + 1252651384.

Almost surely, 2^20042422024 is an apocalyptic number.

It is an amenable number.

20042422024 is a deficient number, since it is larger than the sum of its proper divisors (17537119286).

20042422024 is a wasteful number, since it uses less digits than its factorization.

20042422024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505302759 (or 2505302755 counting only the distinct ones).

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

Adding to 20042422024 its reverse (42022424002), we get a palindrome (62064846026).

The spelling of 20042422024 in words is "twenty billion, forty-two million, four hundred twenty-two thousand, twenty-four".