20614619 has 2 divisors, whose sum is σ = 20614620. Its totient is φ = 20614618.

The previous prime is 20614579. The next prime is 20614667. The reversal of 20614619 is 91641602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20614619 - 2¹² = 20610523 is a prime.

It is a super-2 number, since 2×20614619² = 849925033030322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20614591 and 20614600.

It is not a weakly prime, because it can be changed into another prime (20614669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10307309 + 10307310.

It is an arithmetic number, because the mean of its divisors is an integer number (10307310).

Almost surely, 2^20614619 is an apocalyptic number.

20614619 is a deficient number, since it is larger than the sum of its proper divisors (1).

20614619 is an equidigital number, since it uses as much as digits as its factorization.

20614619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20614619 is about 4540.3324768127. The cubic root of 20614619 is about 274.1943095754.

The spelling of 20614619 in words is "twenty million, six hundred fourteen thousand, six hundred nineteen".