20022240022422 has 64 divisors (see below), whose sum is σ = 44119186341120. Its totient is φ = 6007030992000.

The previous prime is 20022240022403. The next prime is 20022240022423. The reversal of 20022240022422 is 22422004222002.

It is a junction number, because it is equal to n+sod(n) for n = 20022240022392 and 20022240022401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022240022423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233020404 + ... + 233106312.

It is an arithmetic number, because the mean of its divisors is an integer number (689362286580).

Almost surely, 2^{20022240022422} is an apocalyptic number.

20022240022422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20022240022422 is an abundant number, since it is smaller than the sum of its proper divisors (24096946318698).

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

20022240022422 is a wasteful number, since it uses less digits than its factorization.

20022240022422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120989.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20022240022422 its reverse (22422004222002), we get a palindrome (42444244244424).

The spelling of 20022240022422 in words is "twenty trillion, twenty-two billion, two hundred forty million, twenty-two thousand, four hundred twenty-two".