20231061 has 4 divisors (see below), whose sum is σ = 26974752. Its totient is φ = 13487372.

The previous prime is 20231047. The next prime is 20231063. The reversal of 20231061 is 16013202.

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.

It is a cyclic number.

It is not a de Polignac number, because 20231061 - 2⁶ = 20230997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20231061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3371841 + ... + 3371846.

It is an arithmetic number, because the mean of its divisors is an integer number (6743688).

Almost surely, 2^20231061 is an apocalyptic number.

It is an amenable number.

20231061 is a deficient number, since it is larger than the sum of its proper divisors (6743691).

20231061 is an equidigital number, since it uses as much as digits as its factorization.

20231061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743690.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20231061 is about 4497.8951744121. The cubic root of 20231061 is about 272.4830884772.

Adding to 20231061 its reverse (16013202), we get a palindrome (36244263).

The spelling of 20231061 in words is "twenty million, two hundred thirty-one thousand, sixty-one".