20803794 has 32 divisors (see below), whose sum is σ = 45563904. Its totient is φ = 6280080.

The previous prime is 20803793. The next prime is 20803807. The reversal of 20803794 is 49730802.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (20803793) 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 15 ways as a sum of consecutive naturals, for example, 24867 + ... + 25689.

It is an arithmetic number, because the mean of its divisors is an integer number (1423872).

Almost surely, 2^20803794 is an apocalyptic number.

20803794 is an abundant number, since it is smaller than the sum of its proper divisors (24760110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20803794 is a wasteful number, since it uses less digits than its factorization.

20803794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 20803794 is about 4561.1176261965. The cubic root of 20803794 is about 275.0304935883.

The spelling of 20803794 in words is "twenty million, eight hundred three thousand, seven hundred ninety-four".