20200206919 has 2 divisors, whose sum is σ = 20200206920. Its totient is φ = 20200206918.

The previous prime is 20200206907. The next prime is 20200206959. The reversal of 20200206919 is 91960200202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20200206919 - 2⁹ = 20200206407 is a prime.

It is a super-2 number, since 2×20200206919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20200206959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100103459 + 10100103460.

It is an arithmetic number, because the mean of its divisors is an integer number (10100103460).

Almost surely, 2^20200206919 is an apocalyptic number.

20200206919 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200206919 is an equidigital number, since it uses as much as digits as its factorization.

20200206919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 20200206919 in words is "twenty billion, two hundred million, two hundred six thousand, nine hundred nineteen".