20010100226 has 8 divisors (see below), whose sum is σ = 30426317004. Its totient is φ = 9867994560.

The previous prime is 20010100199. The next prime is 20010100237. The reversal of 20010100226 is 62200101002.

It can be written as a sum of positive squares in 2 ways, for example, as 18394140625 + 1615959601 = 135625^2 + 40199^2 .

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

It is a super-2 number, since 2×20010100226² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20010100226.

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, 68527595 + ... + 68527886.

Almost surely, 2^20010100226 is an apocalyptic number.

20010100226 is a deficient number, since it is larger than the sum of its proper divisors (10416216778).

20010100226 is a wasteful number, since it uses less digits than its factorization.

20010100226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137055556.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20010100226 its reverse (62200101002), we get a palindrome (82210201228).

The spelling of 20010100226 in words is "twenty billion, ten million, one hundred thousand, two hundred twenty-six".