20473773 has 16 divisors (see below), whose sum is σ = 29145600. Its totient is φ = 12746160.

The previous prime is 20473769. The next prime is 20473777. The reversal of 20473773 is 37737402.

It is an interprime number because it is at equal distance from previous prime (20473769) and next prime (20473777).

It is not a de Polignac number, because 20473773 - 2² = 20473769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20473777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518 + ... + 6576.

It is an arithmetic number, because the mean of its divisors is an integer number (1821600).

Almost surely, 2^20473773 is an apocalyptic number.

It is an amenable number.

20473773 is a deficient number, since it is larger than the sum of its proper divisors (8671827).

20473773 is a wasteful number, since it uses less digits than its factorization.

20473773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152.

The product of its (nonzero) digits is 24696, while the sum is 33.

The square root of 20473773 is about 4524.7953544884. The cubic root of 20473773 is about 273.5684194381.

The spelling of 20473773 in words is "twenty million, four hundred seventy-three thousand, seven hundred seventy-three".