22020335142 has 32 divisors (see below), whose sum is σ = 47597245920. Its totient is φ = 6751368960.

The previous prime is 22020335137. The next prime is 22020335149. The reversal of 22020335142 is 24153302022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020335149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480417 + ... + 524252.

It is an arithmetic number, because the mean of its divisors is an integer number (1487413935).

Almost surely, 2^22020335142 is an apocalyptic number.

22020335142 is an abundant number, since it is smaller than the sum of its proper divisors (25576910778).

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

22020335142 is a wasteful number, since it uses less digits than its factorization.

22020335142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004968.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 22020335142 its reverse (24153302022), we get a palindrome (46173637164).

The spelling of 22020335142 in words is "twenty-two billion, twenty million, three hundred thirty-five thousand, one hundred forty-two".