20626222426 has 8 divisors (see below), whose sum is σ = 32567719680. Its totient is φ = 9770315868.

The previous prime is 20626222423. The next prime is 20626222457. The reversal of 20626222426 is 62422262602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20626222391 and 20626222400.

It is not an unprimeable number, because it can be changed into a prime (20626222423) 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 3 ways as a sum of consecutive naturals, for example, 271397626 + ... + 271397701.

It is an arithmetic number, because the mean of its divisors is an integer number (4070964960).

Almost surely, 2^20626222426 is an apocalyptic number.

20626222426 is a deficient number, since it is larger than the sum of its proper divisors (11941497254).

20626222426 is a wasteful number, since it uses less digits than its factorization.

20626222426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542795348.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 20626222426 in words is "twenty billion, six hundred twenty-six million, two hundred twenty-two thousand, four hundred twenty-six".