20422420024 has 16 divisors (see below), whose sum is σ = 38293923600. Its totient is φ = 10210707072.

The previous prime is 20422420021. The next prime is 20422420027. The reversal of 20422420024 is 42002422402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20422420021) and next prime (20422420027).

It is a junction number, because it is equal to n+sod(n) for n = 20422419977 and 20422420004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422420021) 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, 153517 + ... + 253795.

It is an arithmetic number, because the mean of its divisors is an integer number (2393370225).

Almost surely, 2^20422420024 is an apocalyptic number.

It is an amenable number.

20422420024 is a deficient number, since it is larger than the sum of its proper divisors (17871503576).

20422420024 is a wasteful number, since it uses less digits than its factorization.

20422420024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125742 (or 125738 counting only the distinct ones).

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

Adding to 20422420024 its reverse (42002422402), we get a palindrome (62424842426).

The spelling of 20422420024 in words is "twenty billion, four hundred twenty-two million, four hundred twenty thousand, twenty-four".