20422130324040 has 96 divisors (see below), whose sum is σ = 66373263847800. Its totient is φ = 5445791447040.

The previous prime is 20422130324023. The next prime is 20422130324059. The reversal of 20422130324040 is 4042303122402.

20422130324040 is a `hidden beast` number, since 2 + 0 + 4 + 221 + 3 + 0 + 32 + 404 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17591196202596 + 2830934121444 = 4194186^2 + 1682538^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20422130323995 and 20422130324013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18126000 + ... + 19219680.

Almost surely, 2^{20422130324040} is an apocalyptic number.

20422130324040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20422130324040 is an abundant number, since it is smaller than the sum of its proper divisors (45951133523760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20422130324040 is a wasteful number, since it uses less digits than its factorization.

20422130324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145567 (or 1145560 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 20422130324040 its reverse (4042303122402), we get a palindrome (24464433446442).

The spelling of 20422130324040 in words is "twenty trillion, four hundred twenty-two billion, one hundred thirty million, three hundred twenty-four thousand, forty".