20344531622 has 16 divisors (see below), whose sum is σ = 31770920832. Its totient is φ = 9761757120.

The previous prime is 20344531621. The next prime is 20344531657. The reversal of 20344531622 is 22613544302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344531621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877654 + ... + 1888457.

It is an arithmetic number, because the mean of its divisors is an integer number (1985682552).

Almost surely, 2^20344531622 is an apocalyptic number.

20344531622 is a deficient number, since it is larger than the sum of its proper divisors (11426389210).

20344531622 is a wasteful number, since it uses less digits than its factorization.

20344531622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766223.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 20344531622 in words is "twenty billion, three hundred forty-four million, five hundred thirty-one thousand, six hundred twenty-two".