20006265 has 8 divisors (see below), whose sum is σ = 32010048. Its totient is φ = 10670000.

The previous prime is 20006243. The next prime is 20006279. The reversal of 20006265 is 56260002.

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

It is not a de Polignac number, because 20006265 - 2¹¹ = 20004217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666861 + ... + 666890.

It is an arithmetic number, because the mean of its divisors is an integer number (4001256).

Almost surely, 2^20006265 is an apocalyptic number.

It is an amenable number.

20006265 is a deficient number, since it is larger than the sum of its proper divisors (12003783).

20006265 is a wasteful number, since it uses less digits than its factorization.

20006265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333759.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20006265 is about 4472.8363484483. The cubic root of 20006265 is about 271.4701017445.

Adding to 20006265 its reverse (56260002), we get a palindrome (76266267).

The spelling of 20006265 in words is "twenty million, six thousand, two hundred sixty-five".