20011010210228 has 12 divisors (see below), whose sum is σ = 35019461811012. Its totient is φ = 10005449692800.

The previous prime is 20011010210221. The next prime is 20011010210251. The reversal of 20011010210228 is 82201201011002.

It can be written as a sum of positive squares in 2 ways, for example, as 3346016540944 + 16664993669284 = 1829212^2 + 4082278^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011010210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13035173 + ... + 14489228.

It is an arithmetic number, because the mean of its divisors is an integer number (2918288484251).

Almost surely, 2^{20011010210228} is an apocalyptic number.

It is an amenable number.

20011010210228 is a deficient number, since it is larger than the sum of its proper divisors (15008451600784).

20011010210228 is a wasteful number, since it uses less digits than its factorization.

20011010210228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27706162 (or 27706160 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The spelling of 20011010210228 in words is "twenty trillion, eleven billion, ten million, two hundred ten thousand, two hundred twenty-eight".