20627732 has 24 divisors (see below), whose sum is σ = 38364480. Its totient is φ = 9671040.

The previous prime is 20627731. The next prime is 20627753. The reversal of 20627732 is 23772602.

It is a junction number, because it is equal to n+sod(n) for n = 20627695 and 20627704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20627731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29507 + ... + 30197.

It is an arithmetic number, because the mean of its divisors is an integer number (1598520).

Almost surely, 2^20627732 is an apocalyptic number.

It is an amenable number.

20627732 is a deficient number, since it is larger than the sum of its proper divisors (17736748).

20627732 is a wasteful number, since it uses less digits than its factorization.

20627732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 20627732 is about 4541.7763044870. The cubic root of 20627732 is about 274.2524357670.

The spelling of 20627732 in words is "twenty million, six hundred twenty-seven thousand, seven hundred thirty-two".