20226660626 has 8 divisors (see below), whose sum is σ = 31079990844. Its totient is φ = 9866663680.

The previous prime is 20226660589. The next prime is 20226660631. The reversal of 20226660626 is 62606662202.

It can be written as a sum of positive squares in 2 ways, for example, as 20125678225 + 100982401 = 141865^2 + 10049^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20226660626.

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, 123333215 + ... + 123333378.

Almost surely, 2^20226660626 is an apocalyptic number.

20226660626 is a deficient number, since it is larger than the sum of its proper divisors (10853330218).

20226660626 is a wasteful number, since it uses less digits than its factorization.

20226660626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246666636.

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

The spelling of 20226660626 in words is "twenty billion, two hundred twenty-six million, six hundred sixty thousand, six hundred twenty-six".