20346214519 has 2 divisors, whose sum is σ = 20346214520. Its totient is φ = 20346214518.

The previous prime is 20346214423. The next prime is 20346214589. The reversal of 20346214519 is 91541264302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20346214519 - 2³¹ = 18198730871 is a prime.

It is a super-2 number, since 2×20346214519² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20346214589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173107259 + 10173107260.

It is an arithmetic number, because the mean of its divisors is an integer number (10173107260).

Almost surely, 2^20346214519 is an apocalyptic number.

20346214519 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346214519 is an equidigital number, since it uses as much as digits as its factorization.

20346214519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 20346214519 in words is "twenty billion, three hundred forty-six million, two hundred fourteen thousand, five hundred nineteen".