20706052 has 12 divisors (see below), whose sum is σ = 36274896. Its totient is φ = 10341800.

The previous prime is 20706031. The next prime is 20706061. The reversal of 20706052 is 25060702.

It is an unprimeable number.

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, 2427 + ... + 6877.

It is an arithmetic number, because the mean of its divisors is an integer number (3022908).

Almost surely, 2^20706052 is an apocalyptic number.

It is an amenable number.

20706052 is a deficient number, since it is larger than the sum of its proper divisors (15568844).

20706052 is a wasteful number, since it uses less digits than its factorization.

20706052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618 (or 5616 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 20706052 is about 4550.3903129292. The cubic root of 20706052 is about 274.5990940643.

Adding to 20706052 its reverse (25060702), we get a palindrome (45766754).

It can be divided in two parts, 207060 and 52, that multiplied together give a triangular number (10767120 = T₄₆₄₀).

The spelling of 20706052 in words is "twenty million, seven hundred six thousand, fifty-two".