20020220719 has 2 divisors, whose sum is σ = 20020220720. Its totient is φ = 20020220718.

The previous prime is 20020220711. The next prime is 20020220729. The reversal of 20020220719 is 91702202002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020220719 - 2³ = 20020220711 is a prime.

It is a super-2 number, since 2×20020220719² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20020220693 and 20020220702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020220711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010110359 + 10010110360.

It is an arithmetic number, because the mean of its divisors is an integer number (10010110360).

Almost surely, 2^20020220719 is an apocalyptic number.

20020220719 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020220719 is an equidigital number, since it uses as much as digits as its factorization.

20020220719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The spelling of 20020220719 in words is "twenty billion, twenty million, two hundred twenty thousand, seven hundred nineteen".