20735419 has 2 divisors, whose sum is σ = 20735420. Its totient is φ = 20735418.

The previous prime is 20735383. The next prime is 20735437. The reversal of 20735419 is 91453702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20735419 - 2¹³ = 20727227 is a prime.

It is a super-2 number, since 2×20735419² = 859915202211122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20735119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10367709 + 10367710.

It is an arithmetic number, because the mean of its divisors is an integer number (10367710).

Almost surely, 2^20735419 is an apocalyptic number.

20735419 is a deficient number, since it is larger than the sum of its proper divisors (1).

20735419 is an equidigital number, since it uses as much as digits as its factorization.

20735419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 20735419 is about 4553.6160356359. The cubic root of 20735419 is about 274.7288522977.

The spelling of 20735419 in words is "twenty million, seven hundred thirty-five thousand, four hundred nineteen".