20764702 has 8 divisors (see below), whose sum is σ = 35596656. Its totient is φ = 8899152.

The previous prime is 20764673. The next prime is 20764703. The reversal of 20764702 is 20746702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20764703) by changing a digit.

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, 741583 + ... + 741610.

It is an arithmetic number, because the mean of its divisors is an integer number (4449582).

Almost surely, 2^20764702 is an apocalyptic number.

20764702 is a deficient number, since it is larger than the sum of its proper divisors (14831954).

20764702 is a wasteful number, since it uses less digits than its factorization.

20764702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483202.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 20764702 is about 4556.8302579754. The cubic root of 20764702 is about 274.8581174438.

The spelling of 20764702 in words is "twenty million, seven hundred sixty-four thousand, seven hundred two".