20209211003 has 2 divisors, whose sum is σ = 20209211004. Its totient is φ = 20209211002.

The previous prime is 20209210999. The next prime is 20209211039. The reversal of 20209211003 is 30011290202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20209211003 - 2² = 20209210999 is a prime.

It is not a weakly prime, because it can be changed into another prime (20209211083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10104605501 + 10104605502.

It is an arithmetic number, because the mean of its divisors is an integer number (10104605502).

Almost surely, 2^20209211003 is an apocalyptic number.

20209211003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20209211003 is an equidigital number, since it uses as much as digits as its factorization.

20209211003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 20209211003 in words is "twenty billion, two hundred nine million, two hundred eleven thousand, three".