20461773 has 8 divisors (see below), whose sum is σ = 27479200. Its totient is φ = 13542768.

The previous prime is 20461769. The next prime is 20461781. The reversal of 20461773 is 37716402.

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

It is not a de Polignac number, because 20461773 - 2² = 20461769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20461773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20461373) 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, 24118 + ... + 24951.

It is an arithmetic number, because the mean of its divisors is an integer number (3434900).

Almost surely, 2^20461773 is an apocalyptic number.

It is an amenable number.

20461773 is a deficient number, since it is larger than the sum of its proper divisors (7017427).

20461773 is a wasteful number, since it uses less digits than its factorization.

20461773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49211.

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

The square root of 20461773 is about 4523.4691333091. The cubic root of 20461773 is about 273.5149614097.

The spelling of 20461773 in words is "twenty million, four hundred sixty-one thousand, seven hundred seventy-three".