20638059119 has 16 divisors (see below), whose sum is σ = 21864997440. Its totient is φ = 19451040000.

The previous prime is 20638059107. The next prime is 20638059131. The reversal of 20638059119 is 91195083602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20638059107) and next prime (20638059131).

It is a cyclic number.

It is not a de Polignac number, because 20638059119 - 2⁸ = 20638058863 is a prime.

It is a super-2 number, since 2×20638059119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20638059119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20638059139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158339 + ... + 257579.

It is an arithmetic number, because the mean of its divisors is an integer number (1366562340).

Almost surely, 2^20638059119 is an apocalyptic number.

20638059119 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20638059119 is a deficient number, since it is larger than the sum of its proper divisors (1226938321).

20638059119 is a wasteful number, since it uses less digits than its factorization.

20638059119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99442.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 20638059119 in words is "twenty billion, six hundred thirty-eight million, fifty-nine thousand, one hundred nineteen".