20260623 has 8 divisors (see below), whose sum is σ = 27042048. Its totient is φ = 13493144.

The previous prime is 20260621. The next prime is 20260627. The reversal of 20260623 is 32606202.

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

It is a cyclic number.

It is not a de Polignac number, because 20260623 - 2¹ = 20260621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20260623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20260621) 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 7 ways as a sum of consecutive naturals, for example, 586 + ... + 6392.

It is an arithmetic number, because the mean of its divisors is an integer number (3380256).

Almost surely, 2^20260623 is an apocalyptic number.

20260623 is a deficient number, since it is larger than the sum of its proper divisors (6781425).

20260623 is a wasteful number, since it uses less digits than its factorization.

20260623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 20260623 is about 4501.1801785754. The cubic root of 20260623 is about 272.6157429929.

Adding to 20260623 its reverse (32606202), we get a palindrome (52866825).

The spelling of 20260623 in words is "twenty million, two hundred sixty thousand, six hundred twenty-three".