20754768 has 20 divisors (see below), whose sum is σ = 53616608. Its totient is φ = 6918240.

The previous prime is 20754761. The next prime is 20754787. The reversal of 20754768 is 86745702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20754761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216148 + ... + 216243.

Almost surely, 2^20754768 is an apocalyptic number.

It is an amenable number.

20754768 is an abundant number, since it is smaller than the sum of its proper divisors (32861840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20754768 is a wasteful number, since it uses less digits than its factorization.

20754768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432402 (or 432396 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 20754768 is about 4555.7401155026. The cubic root of 20754768 is about 274.8142790095.

The spelling of 20754768 in words is "twenty million, seven hundred fifty-four thousand, seven hundred sixty-eight".