20020219903 has 2 divisors, whose sum is σ = 20020219904. Its totient is φ = 20020219902.

The previous prime is 20020219883. The next prime is 20020219931. The reversal of 20020219903 is 30991202002.

It is an a-pointer prime, because the next prime (20020219931) can be obtained adding 20020219903 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020219903 - 2⁵ = 20020219871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020229903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010109951 + 10010109952.

It is an arithmetic number, because the mean of its divisors is an integer number (10010109952).

Almost surely, 2^20020219903 is an apocalyptic number.

20020219903 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020219903 is an equidigital number, since it uses as much as digits as its factorization.

20020219903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 20020219903 in words is "twenty billion, twenty million, two hundred nineteen thousand, nine hundred three".