20773071 has 32 divisors (see below), whose sum is σ = 35043840. Its totient is φ = 12038400.

The previous prime is 20773057. The next prime is 20773073. The reversal of 20773071 is 17037702.

It is not a de Polignac number, because 20773071 - 2⁹ = 20772559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20773073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5311 + ... + 8351.

It is an arithmetic number, because the mean of its divisors is an integer number (1095120).

Almost surely, 2^20773071 is an apocalyptic number.

20773071 is a deficient number, since it is larger than the sum of its proper divisors (14270769).

20773071 is a wasteful number, since it uses less digits than its factorization.

20773071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084 (or 3078 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 27.

The square root of 20773071 is about 4557.7484572977. The cubic root of 20773071 is about 274.8950387316.

The spelling of 20773071 in words is "twenty million, seven hundred seventy-three thousand, seventy-one".