20773892 has 12 divisors (see below), whose sum is σ = 36487500. Its totient is φ = 10348896.

The previous prime is 20773873. The next prime is 20773901. The reversal of 20773892 is 29837702.

It can be written as a sum of positive squares in 2 ways, for example, as 8213956 + 12559936 = 2866^2 + 3544^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8267 + ... + 10482.

It is an arithmetic number, because the mean of its divisors is an integer number (3040625).

Almost surely, 2^20773892 is an apocalyptic number.

It is an amenable number.

20773892 is a deficient number, since it is larger than the sum of its proper divisors (15713608).

20773892 is a wasteful number, since it uses less digits than its factorization.

20773892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19030 (or 19028 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 20773892 is about 4557.8385228088. The cubic root of 20773892 is about 274.8986601807.

The spelling of 20773892 in words is "twenty million, seven hundred seventy-three thousand, eight hundred ninety-two".