20769332 has 12 divisors (see below), whose sum is σ = 36699936. Its totient is φ = 10283640.

The previous prime is 20769319. The next prime is 20769361. The reversal of 20769332 is 23396702.

It is a happy number.

It is a super-5 number, since 5×20769332⁵ (a number of 38 digits) contains 55555 as substring.

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 3 ways as a sum of consecutive naturals, for example, 24794 + ... + 25617.

It is an arithmetic number, because the mean of its divisors is an integer number (3058328).

Almost surely, 2^20769332 is an apocalyptic number.

It is an amenable number.

20769332 is a deficient number, since it is larger than the sum of its proper divisors (15930604).

20769332 is a wasteful number, since it uses less digits than its factorization.

20769332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50518 (or 50516 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 20769332 is about 4557.3382582380. The cubic root of 20769332 is about 274.8785447136.

The spelling of 20769332 in words is "twenty million, seven hundred sixty-nine thousand, three hundred thirty-two".