200020012109969 has 2 divisors, whose sum is σ = 200020012109970. Its totient is φ = 200020012109968.

The previous prime is 200020012109821. The next prime is 200020012110047. The reversal of 200020012109969 is 969901210020002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125072640553744 + 74947371556225 = 11183588^2 + 8657215^2 .

It is a cyclic number.

It is not a de Polignac number, because 200020012109969 - 2⁸ = 200020012109713 is a prime.

It is a super-2 number, since 2×200020012109969² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200020012100969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010006054984 + 100010006054985.

It is an arithmetic number, because the mean of its divisors is an integer number (100010006054985).

Almost surely, 2^{200020012109969} is an apocalyptic number.

It is an amenable number.

200020012109969 is a deficient number, since it is larger than the sum of its proper divisors (1).

200020012109969 is an equidigital number, since it uses as much as digits as its factorization.

200020012109969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 200020012109969 in words is "two hundred trillion, twenty billion, twelve million, one hundred nine thousand, nine hundred sixty-nine".