20201012011008 has 168 divisors, whose sum is σ = 59311568415996. Its totient is φ = 6623281152000.

The previous prime is 20201012010931. The next prime is 20201012011013. The reversal of 20201012011008 is 80011021010202.

It can be written as a sum of positive squares in 2 ways, for example, as 20200781942784 + 230068224 = 4494528^2 + 15168^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2251558 + ... + 6743258.

Almost surely, 2^{20201012011008} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20201012011008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29655784207998).

20201012011008 is an abundant number, since it is smaller than the sum of its proper divisors (39110556404988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20201012011008 is an equidigital number, since it uses as much as digits as its factorization.

20201012011008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491794 (or 4491767 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The spelling of 20201012011008 in words is "twenty trillion, two hundred one billion, twelve million, eleven thousand, eight".