20254023 has 16 divisors (see below), whose sum is σ = 30301440. Its totient is φ = 13369752.

The previous prime is 20254009. The next prime is 20254049. The reversal of 20254023 is 32045202.

It is not a de Polignac number, because 20254023 - 2¹³ = 20245831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20253987 and 20254005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20254723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861 + ... + 6422.

It is an arithmetic number, because the mean of its divisors is an integer number (1893840).

Almost surely, 2^20254023 is an apocalyptic number.

20254023 is a deficient number, since it is larger than the sum of its proper divisors (10047417).

20254023 is a wasteful number, since it uses less digits than its factorization.

20254023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395 (or 7389 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20254023 is about 4500.4469778012. The cubic root of 20254023 is about 272.5861377942.

Adding to 20254023 its reverse (32045202), we get a palindrome (52299225).

The spelling of 20254023 in words is "twenty million, two hundred fifty-four thousand, twenty-three".