20626660226 has 8 divisors (see below), whose sum is σ = 30940951440. Its totient is φ = 10313009748.

The previous prime is 20626660207. The next prime is 20626660237. The reversal of 20626660226 is 62206662602.

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

It is a super-2 number, since 2×20626660226² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20626660226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69416 + ... + 214643.

It is an arithmetic number, because the mean of its divisors is an integer number (3867618930).

Almost surely, 2^20626660226 is an apocalyptic number.

20626660226 is a deficient number, since it is larger than the sum of its proper divisors (10314291214).

20626660226 is a wasteful number, since it uses less digits than its factorization.

20626660226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320368.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 20626660226 in words is "twenty billion, six hundred twenty-six million, six hundred sixty thousand, two hundred twenty-six".