1020020200997 has 16 divisors (see below), whose sum is σ = 1185793413120. Its totient is φ = 859268444208.

The previous prime is 1020020200963. The next prime is 1020020201009. The reversal of 1020020200997 is 7990020200201.

It is a cyclic number.

It is not a de Polignac number, because 1020020200997 - 2⁸ = 1020020200741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020020200697) 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 15 ways as a sum of consecutive naturals, for example, 1346708 + ... + 1963074.

It is an arithmetic number, because the mean of its divisors is an integer number (74112088320).

Almost surely, 2^{1020020200997} is an apocalyptic number.

It is an amenable number.

1020020200997 is a deficient number, since it is larger than the sum of its proper divisors (165773212123).

1020020200997 is an equidigital number, since it uses as much as digits as its factorization.

1020020200997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620440.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 1020020200997 in words is "one trillion, twenty billion, twenty million, two hundred thousand, nine hundred ninety-seven".