20822226042 has 64 divisors (see below), whose sum is σ = 46249781760. Its totient is φ = 6220624896.

The previous prime is 20822226037. The next prime is 20822226049. The reversal of 20822226042 is 24062222802.

It is not an unprimeable number, because it can be changed into a prime (20822226049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118684 + ... + 236072.

It is an arithmetic number, because the mean of its divisors is an integer number (722652840).

Almost surely, 2^20822226042 is an apocalyptic number.

20822226042 is an abundant number, since it is smaller than the sum of its proper divisors (25427555718).

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

20822226042 is a wasteful number, since it uses less digits than its factorization.

20822226042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117495.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 20822226042 its reverse (24062222802), we get a palindrome (44884448844).

The spelling of 20822226042 in words is "twenty billion, eight hundred twenty-two million, two hundred twenty-six thousand, forty-two".