20473061 has 4 divisors (see below), whose sum is σ = 23397792. Its totient is φ = 17548332.

The previous prime is 20473039. The next prime is 20473067. The reversal of 20473061 is 16037402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16037402 = 2 ⋅8018701.

It is a cyclic number.

It is not a de Polignac number, because 20473061 - 2⁶ = 20472997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20473067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462355 + ... + 1462368.

It is an arithmetic number, because the mean of its divisors is an integer number (5849448).

Almost surely, 2^20473061 is an apocalyptic number.

It is an amenable number.

20473061 is a deficient number, since it is larger than the sum of its proper divisors (2924731).

20473061 is an equidigital number, since it uses as much as digits as its factorization.

20473061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924730.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20473061 is about 4524.7166762130. The cubic root of 20473061 is about 273.5652481781.

The spelling of 20473061 in words is "twenty million, four hundred seventy-three thousand, sixty-one".