20282623 has 8 divisors (see below), whose sum is σ = 21225888. Its totient is φ = 19360224.

The previous prime is 20282609. The next prime is 20282653. The reversal of 20282623 is 32628202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20282623 is a prime.

It is a super-2 number, since 2×20282623² = 822769591520258, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20282653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3211 + ... + 7132.

It is an arithmetic number, because the mean of its divisors is an integer number (2653236).

Almost surely, 2^20282623 is an apocalyptic number.

20282623 is a deficient number, since it is larger than the sum of its proper divisors (943265).

20282623 is a wasteful number, since it uses less digits than its factorization.

20282623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20282623 is about 4503.6233190621. The cubic root of 20282623 is about 272.7143805791.

The spelling of 20282623 in words is "twenty million, two hundred eighty-two thousand, six hundred twenty-three".