20226698 has 4 divisors (see below), whose sum is σ = 30340050. Its totient is φ = 10113348.

The previous prime is 20226691. The next prime is 20226707. The reversal of 20226698 is 89662202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16703569 + 3523129 = 4087^2 + 1877^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20226691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056673 + ... + 5056676.

Almost surely, 2^20226698 is an apocalyptic number.

20226698 is a deficient number, since it is larger than the sum of its proper divisors (10113352).

20226698 is a wasteful number, since it uses less digits than its factorization.

20226698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113351.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 20226698 is about 4497.4101436271. The cubic root of 20226698 is about 272.4634993054.

The spelling of 20226698 in words is "twenty million, two hundred twenty-six thousand, six hundred ninety-eight".