202000419997 has 2 divisors, whose sum is σ = 202000419998. Its totient is φ = 202000419996.

The previous prime is 202000419989. The next prime is 202000420021. The reversal of 202000419997 is 799914000202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201977437561 + 22982436 = 449419^2 + 4794^2 .

It is a cyclic number.

It is not a de Polignac number, because 202000419997 - 2³ = 202000419989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202000419197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000209998 + 101000209999.

It is an arithmetic number, because the mean of its divisors is an integer number (101000209999).

Almost surely, 2^202000419997 is an apocalyptic number.

It is an amenable number.

202000419997 is a deficient number, since it is larger than the sum of its proper divisors (1).

202000419997 is an equidigital number, since it uses as much as digits as its factorization.

202000419997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 202000419997 in words is "two hundred two billion, four hundred nineteen thousand, nine hundred ninety-seven".