20534283 has 96 divisors (see below), whose sum is σ = 41368320. Its totient is φ = 9918720.

The previous prime is 20534281. The next prime is 20534303. The reversal of 20534283 is 38243502.

It is not a de Polignac number, because 20534283 - 2¹ = 20534281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20534281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 247360 + ... + 247442.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 2^20534283 is an apocalyptic number.

20534283 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

20534283 is a wasteful number, since it uses less digits than its factorization.

20534283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 20534283 is about 4531.4769115599. The cubic root of 20534283 is about 273.8376637988.

Adding to 20534283 its reverse (38243502), we get a palindrome (58777785).

It can be divided in two parts, 2053 and 4283, that added together give a palindrome (6336).

The spelling of 20534283 in words is "twenty million, five hundred thirty-four thousand, two hundred eighty-three".