20226322623 has 16 divisors (see below), whose sum is σ = 29052205056. Its totient is φ = 12442990560.

The previous prime is 20226322621. The next prime is 20226322657. The reversal of 20226322623 is 32622362202.

It is not a de Polignac number, because 20226322623 - 2¹ = 20226322621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20226322621) 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 15 ways as a sum of consecutive naturals, for example, 43186 + ... + 205712.

It is an arithmetic number, because the mean of its divisors is an integer number (1815762816).

Almost surely, 2^20226322623 is an apocalyptic number.

20226322623 is a deficient number, since it is larger than the sum of its proper divisors (8825882433).

20226322623 is a wasteful number, since it uses less digits than its factorization.

20226322623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165734.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20226322623 its reverse (32622362202), we get a palindrome (52848684825).

The spelling of 20226322623 in words is "twenty billion, two hundred twenty-six million, three hundred twenty-two thousand, six hundred twenty-three".