20000010100801 has 2 divisors, whose sum is σ = 20000010100802. Its totient is φ = 20000010100800.

The previous prime is 20000010100789. The next prime is 20000010100831. The reversal of 20000010100801 is 10800101000002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18748475662401 + 1251534438400 = 4329951^2 + 1118720^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000010100801 - 2³⁵ = 19965650362433 is a prime.

It is not a weakly prime, because it can be changed into another prime (20000010100831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000005050400 + 10000005050401.

It is an arithmetic number, because the mean of its divisors is an integer number (10000005050401).

Almost surely, 2^{20000010100801} is an apocalyptic number.

It is an amenable number.

20000010100801 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000010100801 is an equidigital number, since it uses as much as digits as its factorization.

20000010100801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20000010100801 its reverse (10800101000002), we get a palindrome (30800111100803).

The spelling of 20000010100801 in words is "twenty trillion, ten million, one hundred thousand, eight hundred one".