20624119 has 2 divisors, whose sum is σ = 20624120. Its totient is φ = 20624118.

The previous prime is 20624113. The next prime is 20624137. The reversal of 20624119 is 91142602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20624119 - 2¹⁷ = 20493047 is a prime.

It is a super-2 number, since 2×20624119² = 850708569052322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20624093 and 20624102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20624113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10312059 + 10312060.

It is an arithmetic number, because the mean of its divisors is an integer number (10312060).

Almost surely, 2^20624119 is an apocalyptic number.

20624119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20624119 is an equidigital number, since it uses as much as digits as its factorization.

20624119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 20624119 is about 4541.3785352027. The cubic root of 20624119 is about 274.2364228270.

The spelling of 20624119 in words is "twenty million, six hundred twenty-four thousand, one hundred nineteen".