20848733 has 2 divisors, whose sum is σ = 20848734. Its totient is φ = 20848732.

The previous prime is 20848703. The next prime is 20848753. The reversal of 20848733 is 33784802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16345849 + 4502884 = 4043^2 + 2122^2 .

It is a cyclic number.

It is not a de Polignac number, because 20848733 - 2¹⁴ = 20832349 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20848693 and 20848702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20848703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10424366 + 10424367.

It is an arithmetic number, because the mean of its divisors is an integer number (10424367).

Almost surely, 2^20848733 is an apocalyptic number.

It is an amenable number.

20848733 is a deficient number, since it is larger than the sum of its proper divisors (1).

20848733 is an equidigital number, since it uses as much as digits as its factorization.

20848733 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 20848733 is about 4566.0412832124. The cubic root of 20848733 is about 275.2283854816.

The spelling of 20848733 in words is "twenty million, eight hundred forty-eight thousand, seven hundred thirty-three".