20473371 has 8 divisors (see below), whose sum is σ = 30330960. Its totient is φ = 13648896.

The previous prime is 20473367. The next prime is 20473373. The reversal of 20473371 is 17337402.

It is not a de Polignac number, because 20473371 - 2² = 20473367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 758273 = 20473371 / (2 + 0 + 4 + 7 + 3 + 3 + 7 + 1).

It is not an unprimeable number, because it can be changed into a prime (20473373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379110 + ... + 379163.

It is an arithmetic number, because the mean of its divisors is an integer number (3791370).

Almost surely, 2^20473371 is an apocalyptic number.

20473371 is a deficient number, since it is larger than the sum of its proper divisors (9857589).

20473371 is an equidigital number, since it uses as much as digits as its factorization.

20473371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758282 (or 758276 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 20473371 is about 4524.7509323719. The cubic root of 20473371 is about 273.5666289323.

The spelling of 20473371 in words is "twenty million, four hundred seventy-three thousand, three hundred seventy-one".