20422400223342 has 32 divisors (see below), whose sum is σ = 44036523393408. Its totient is φ = 6276698993376.

The previous prime is 20422400223319. The next prime is 20422400223347. The reversal of 20422400223342 is 24332200422402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422400223347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148190268 + ... + 148328015.

It is an arithmetic number, because the mean of its divisors is an integer number (1376141356044).

Almost surely, 2^{20422400223342} is an apocalyptic number.

20422400223342 is an abundant number, since it is smaller than the sum of its proper divisors (23614123170066).

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

20422400223342 is a wasteful number, since it uses less digits than its factorization.

20422400223342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296519184.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 20422400223342 its reverse (24332200422402), we get a palindrome (44754600645744).

The spelling of 20422400223342 in words is "twenty trillion, four hundred twenty-two billion, four hundred million, two hundred twenty-three thousand, three hundred forty-two".