20764354 has 24 divisors (see below), whose sum is σ = 35206272. Its totient is φ = 9163440.

The previous prime is 20764351. The next prime is 20764357. The reversal of 20764354 is 45346702.

It is an interprime number because it is at equal distance from previous prime (20764351) and next prime (20764357).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (20764351) 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 11 ways as a sum of consecutive naturals, for example, 6439 + ... + 9109.

It is an arithmetic number, because the mean of its divisors is an integer number (1466928).

Almost surely, 2^20764354 is an apocalyptic number.

20764354 is a deficient number, since it is larger than the sum of its proper divisors (14441918).

20764354 is a wasteful number, since it uses less digits than its factorization.

20764354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 20764354 is about 4556.7920733779. The cubic root of 20764354 is about 274.8565819669.

The spelling of 20764354 in words is "twenty million, seven hundred sixty-four thousand, three hundred fifty-four".