20164552 has 32 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 9846144.

The previous prime is 20164531. The next prime is 20164559. The reversal of 20164552 is 25546102.

It is not an unprimeable number, because it can be changed into a prime (20164559) 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, 90313 + ... + 90535.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^20164552 is an apocalyptic number.

It is an amenable number.

20164552 is a deficient number, since it is larger than the sum of its proper divisors (18542648).

20164552 is a wasteful number, since it uses less digits than its factorization.

20164552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 20164552 is about 4490.4957410068. The cubic root of 20164552 is about 272.1841673739.

The spelling of 20164552 in words is "twenty million, one hundred sixty-four thousand, five hundred fifty-two".