20745062 has 8 divisors (see below), whose sum is σ = 33511296. Its totient is φ = 9574632.

The previous prime is 20745061. The next prime is 20745073. The reversal of 20745062 is 26054702.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 797887 = 20745062 / (2 + 0 + 7 + 4 + 5 + 0 + 6 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20745061) 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 3 ways as a sum of consecutive naturals, for example, 398918 + ... + 398969.

It is an arithmetic number, because the mean of its divisors is an integer number (4188912).

Almost surely, 2^20745062 is an apocalyptic number.

20745062 is a deficient number, since it is larger than the sum of its proper divisors (12766234).

20745062 is a wasteful number, since it uses less digits than its factorization.

20745062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797902.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 20745062 is about 4554.6747414058. The cubic root of 20745062 is about 274.7714332194.

Adding to 20745062 its reverse (26054702), we get a palindrome (46799764).

The spelling of 20745062 in words is "twenty million, seven hundred forty-five thousand, sixty-two".