20926832 has 10 divisors (see below), whose sum is σ = 40545768. Its totient is φ = 10463408.

The previous prime is 20926831. The next prime is 20926859. The reversal of 20926832 is 23862902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20926831) 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 as a sum of consecutive naturals, namely, 653948 + ... + 653979.

Almost surely, 2^20926832 is an apocalyptic number.

It is an amenable number.

20926832 is a deficient number, since it is larger than the sum of its proper divisors (19618936).

20926832 is a wasteful number, since it uses less digits than its factorization.

20926832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307935 (or 1307929 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20926832 is about 4574.5854456989. The cubic root of 20926832 is about 275.5716242027.

The spelling of 20926832 in words is "twenty million, nine hundred twenty-six thousand, eight hundred thirty-two".