21200020119 has 36 divisors (see below), whose sum is σ = 32684533960. Its totient is φ = 13238588160.

The previous prime is 21200020109. The next prime is 21200020181. The reversal of 21200020119 is 91102000212.

It is not a de Polignac number, because 21200020119 - 2¹¹ = 21200018071 is a prime.

It is a super-2 number, since 2×21200020119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21200020109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 529497 + ... + 568125.

Almost surely, 2^21200020119 is an apocalyptic number.

21200020119 is a deficient number, since it is larger than the sum of its proper divisors (11484513841).

21200020119 is a wasteful number, since it uses less digits than its factorization.

21200020119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38880 (or 38860 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 21200020119 in words is "twenty-one billion, two hundred million, twenty thousand, one hundred nineteen".