20876829019 has 2 divisors, whose sum is σ = 20876829020. Its totient is φ = 20876829018.

The previous prime is 20876828989. The next prime is 20876829031. The reversal of 20876829019 is 91092867802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20876829019 - 2¹⁵ = 20876796251 is a prime.

It is a super-2 number, since 2×20876829019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20876829059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10438414509 + 10438414510.

It is an arithmetic number, because the mean of its divisors is an integer number (10438414510).

Almost surely, 2^20876829019 is an apocalyptic number.

20876829019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20876829019 is an equidigital number, since it uses as much as digits as its factorization.

20876829019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 20876829019 in words is "twenty billion, eight hundred seventy-six million, eight hundred twenty-nine thousand, nineteen".