20794953 has 4 divisors (see below), whose sum is σ = 27726608. Its totient is φ = 13863300.

The previous prime is 20794951. The next prime is 20794981. The reversal of 20794953 is 35949702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20794953 - 2¹ = 20794951 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20794951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3465823 + ... + 3465828.

It is an arithmetic number, because the mean of its divisors is an integer number (6931652).

Almost surely, 2^20794953 is an apocalyptic number.

It is an amenable number.

20794953 is a deficient number, since it is larger than the sum of its proper divisors (6931655).

20794953 is an equidigital number, since it uses as much as digits as its factorization.

20794953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931654.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 20794953 is about 4560.1483528499. The cubic root of 20794953 is about 274.9915281137.

The spelling of 20794953 in words is "twenty million, seven hundred ninety-four thousand, nine hundred fifty-three".