20769116 has 12 divisors (see below), whose sum is σ = 36535632. Its totient is φ = 10330368.

The previous prime is 20769113. The next prime is 20769131. The reversal of 20769116 is 61196702.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20769113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12680 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (3044636).

Almost surely, 2^20769116 is an apocalyptic number.

It is an amenable number.

20769116 is a deficient number, since it is larger than the sum of its proper divisors (15766516).

20769116 is a wasteful number, since it uses less digits than its factorization.

20769116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27100 (or 27098 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 20769116 is about 4557.3145601330. The cubic root of 20769116 is about 274.8775918027.

The spelling of 20769116 in words is "twenty million, seven hundred sixty-nine thousand, one hundred sixteen".