20707052 has 6 divisors (see below), whose sum is σ = 36237348. Its totient is φ = 10353524.

The previous prime is 20707051. The next prime is 20707067. The reversal of 20707052 is 25070702.

It is not an unprimeable number, because it can be changed into a prime (20707051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2588378 + ... + 2588385.

It is an arithmetic number, because the mean of its divisors is an integer number (6039558).

Almost surely, 2^20707052 is an apocalyptic number.

It is an amenable number.

20707052 is a deficient number, since it is larger than the sum of its proper divisors (15530296).

20707052 is a wasteful number, since it uses less digits than its factorization.

20707052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5176767 (or 5176765 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 20707052 is about 4550.5001922866. The cubic root of 20707052 is about 274.6035145863.

Adding to 20707052 its reverse (25070702), we get a palindrome (45777754).

The spelling of 20707052 in words is "twenty million, seven hundred seven thousand, fifty-two".