20026430 has 8 divisors (see below), whose sum is σ = 36047592. Its totient is φ = 8010568.

The previous prime is 20026427. The next prime is 20026439. The reversal of 20026430 is 3462002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20026399 and 20026408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20026439) 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, 1001312 + ... + 1001331.

It is an arithmetic number, because the mean of its divisors is an integer number (4505949).

Almost surely, 2^20026430 is an apocalyptic number.

20026430 is a deficient number, since it is larger than the sum of its proper divisors (16021162).

20026430 is a wasteful number, since it uses less digits than its factorization.

20026430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002650.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20026430 is about 4475.0899432302. The cubic root of 20026430 is about 271.5612791235.

Adding to 20026430 its reverse (3462002), we get a palindrome (23488432).

The spelling of 20026430 in words is "twenty million, twenty-six thousand, four hundred thirty".