20768270 has 16 divisors (see below), whose sum is σ = 37715760. Its totient is φ = 8233344.

The previous prime is 20768249. The next prime is 20768291. The reversal of 20768270 is 7286702.

It is an interprime number because it is at equal distance from previous prime (20768249) and next prime (20768291).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8060 + ... + 10319.

It is an arithmetic number, because the mean of its divisors is an integer number (2357235).

Almost surely, 2^20768270 is an apocalyptic number.

20768270 is a deficient number, since it is larger than the sum of its proper divisors (16947490).

20768270 is a wasteful number, since it uses less digits than its factorization.

20768270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18499.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 20768270 is about 4557.2217413683. The cubic root of 20768270 is about 274.8738595045.

The spelling of 20768270 in words is "twenty million, seven hundred sixty-eight thousand, two hundred seventy".