20020220019 has 24 divisors (see below), whose sum is σ = 30029755392. Its totient is φ = 12838898160.

The previous prime is 20020219931. The next prime is 20020220023. The reversal of 20020220019 is 91002202002.

It is not a de Polignac number, because 20020220019 - 2²¹ = 20018122867 is a prime.

It is a super-2 number, since 2×20020220019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20020219983 and 20020220010.

It is not an unprimeable number, because it can be changed into a prime (20020220719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168249 + ... + 261434.

It is an arithmetic number, because the mean of its divisors is an integer number (1251239808).

Almost surely, 2^20020220019 is an apocalyptic number.

20020220019 is a deficient number, since it is larger than the sum of its proper divisors (10009535373).

20020220019 is a wasteful number, since it uses less digits than its factorization.

20020220019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429887 (or 429884 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The spelling of 20020220019 in words is "twenty billion, twenty million, two hundred twenty thousand, nineteen".