1020202000801 has 2 divisors, whose sum is σ = 1020202000802. Its totient is φ = 1020202000800.

The previous prime is 1020202000733. The next prime is 1020202000879. The reversal of 1020202000801 is 1080002020201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744812150625 + 275389850176 = 863025^2 + 524776^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020202000801 - 2²⁷ = 1020067783073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020202070801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510101000400 + 510101000401.

It is an arithmetic number, because the mean of its divisors is an integer number (510101000401).

Almost surely, 2^{1020202000801} is an apocalyptic number.

It is an amenable number.

1020202000801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020202000801 is an equidigital number, since it uses as much as digits as its factorization.

1020202000801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The spelling of 1020202000801 in words is "one trillion, twenty billion, two hundred two million, eight hundred one", and thus it is an aban number.