20748383 has 2 divisors, whose sum is σ = 20748384. Its totient is φ = 20748382.

The previous prime is 20748373. The next prime is 20748421. The reversal of 20748383 is 38384702.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20748383 - 2⁶ = 20748319 is a prime.

It is a super-2 number, since 2×20748383² = 860990794229378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20748373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10374191 + 10374192.

It is an arithmetic number, because the mean of its divisors is an integer number (10374192).

Almost surely, 2^20748383 is an apocalyptic number.

20748383 is a deficient number, since it is larger than the sum of its proper divisors (1).

20748383 is an equidigital number, since it uses as much as digits as its factorization.

20748383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 20748383 is about 4555.0392973058. The cubic root of 20748383 is about 274.7860948168.

The spelling of 20748383 in words is "twenty million, seven hundred forty-eight thousand, three hundred eighty-three".