20370873 has 8 divisors (see below), whose sum is σ = 27441568. Its totient is φ = 13440384.

The previous prime is 20370859. The next prime is 20370877. The reversal of 20370873 is 37807302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20370873 - 2⁵ = 20370841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20370873.

It is not an unprimeable number, because it can be changed into a prime (20370877) 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, 34711 + ... + 35292.

It is an arithmetic number, because the mean of its divisors is an integer number (3430196).

Almost surely, 2^20370873 is an apocalyptic number.

It is an amenable number.

20370873 is a deficient number, since it is larger than the sum of its proper divisors (7070695).

20370873 is an equidigital number, since it uses as much as digits as its factorization.

20370873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70103.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 20370873 is about 4513.4103513862. The cubic root of 20370873 is about 273.1093364462.

The spelling of 20370873 in words is "twenty million, three hundred seventy thousand, eight hundred seventy-three".