20675552 has 24 divisors (see below), whose sum is σ = 40824000. Its totient is φ = 10307584.

The previous prime is 20675539. The next prime is 20675569. The reversal of 20675552 is 25557602.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13649 + ... + 15087.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^20675552 is an apocalyptic number.

It is an amenable number.

20675552 is a deficient number, since it is larger than the sum of its proper divisors (20148448).

20675552 is a wasteful number, since it uses less digits than its factorization.

20675552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 20675552 is about 4547.0377170197. The cubic root of 20675552 is about 274.4641997189.

The spelling of 20675552 in words is "twenty million, six hundred seventy-five thousand, five hundred fifty-two".