20514023 has 2 divisors, whose sum is σ = 20514024. Its totient is φ = 20514022.

The previous prime is 20514017. The next prime is 20514041. The reversal of 20514023 is 32041502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20514023 - 2⁴ = 20514007 is a prime.

It is equal to p_1301084 and since 20514023 and 1301084 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 20513992 and 20514010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20514323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10257011 + 10257012.

It is an arithmetic number, because the mean of its divisors is an integer number (10257012).

Almost surely, 2^20514023 is an apocalyptic number.

20514023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20514023 is an equidigital number, since it uses as much as digits as its factorization.

20514023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 20514023 is about 4529.2408856231. The cubic root of 20514023 is about 273.7475741881.

Adding to 20514023 its reverse (32041502), we get a palindrome (52555525).

The spelling of 20514023 in words is "twenty million, five hundred fourteen thousand, twenty-three".