20074619 has 2 divisors, whose sum is σ = 20074620. Its totient is φ = 20074618.

The previous prime is 20074589. The next prime is 20074643. The reversal of 20074619 is 91647002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20074619 - 2⁸ = 20074363 is a prime.

It is a super-2 number, since 2×20074619² = 805980655990322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20074591 and 20074600.

It is not a weakly prime, because it can be changed into another prime (20074669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10037309 + 10037310.

It is an arithmetic number, because the mean of its divisors is an integer number (10037310).

Almost surely, 2^20074619 is an apocalyptic number.

20074619 is a deficient number, since it is larger than the sum of its proper divisors (1).

20074619 is an equidigital number, since it uses as much as digits as its factorization.

20074619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 20074619 is about 4480.4708457929. The cubic root of 20074619 is about 271.7789212449.

The spelling of 20074619 in words is "twenty million, seventy-four thousand, six hundred nineteen".