20627283 has 8 divisors (see below), whose sum is σ = 27546048. Its totient is φ = 13730024.

The previous prime is 20627281. The next prime is 20627287. The reversal of 20627283 is 38272602.

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 20627283 - 2¹ = 20627281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20627283.

It is not an unprimeable number, because it can be changed into a prime (20627281) 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, 2985 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (3443256).

Almost surely, 2^20627283 is an apocalyptic number.

20627283 is a deficient number, since it is larger than the sum of its proper divisors (6918765).

20627283 is a wasteful number, since it uses less digits than its factorization.

20627283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10753.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 20627283 is about 4541.7268742187. The cubic root of 20627283 is about 274.2504458854.

Adding to 20627283 its reverse (38272602), we get a palindrome (58899885).

It can be divided in two parts, 20627 and 283, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 20627283 in words is "twenty million, six hundred twenty-seven thousand, two hundred eighty-three".