20372619233839 has 2 divisors, whose sum is σ = 20372619233840. Its totient is φ = 20372619233838.

The previous prime is 20372619233807. The next prime is 20372619234017. The reversal of 20372619233839 is 93833291627302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20372619233839 - 2⁵ = 20372619233807 is a prime.

It is a super-2 number, since 2×20372619233839² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20372619230839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10186309616919 + 10186309616920.

It is an arithmetic number, because the mean of its divisors is an integer number (10186309616920).

Almost surely, 2^{20372619233839} is an apocalyptic number.

20372619233839 is a deficient number, since it is larger than the sum of its proper divisors (1).

20372619233839 is an equidigital number, since it uses as much as digits as its factorization.

20372619233839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 58.

The spelling of 20372619233839 in words is "twenty trillion, three hundred seventy-two billion, six hundred nineteen million, two hundred thirty-three thousand, eight hundred thirty-nine".