20200200973 has 2 divisors, whose sum is σ = 20200200974. Its totient is φ = 20200200972.

The previous prime is 20200200971. The next prime is 20200201009. The reversal of 20200200973 is 37900200202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18717796969 + 1482404004 = 136813^2 + 38502^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200200973 - 2¹ = 20200200971 is a prime.

Together with 20200200971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200200971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100100486 + 10100100487.

It is an arithmetic number, because the mean of its divisors is an integer number (10100100487).

Almost surely, 2^20200200973 is an apocalyptic number.

It is an amenable number.

20200200973 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200200973 is an equidigital number, since it uses as much as digits as its factorization.

20200200973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The spelling of 20200200973 in words is "twenty billion, two hundred million, two hundred thousand, nine hundred seventy-three".