20065652 has 6 divisors (see below), whose sum is σ = 35114898. Its totient is φ = 10032824.

The previous prime is 20065621. The next prime is 20065657. The reversal of 20065652 is 25656002.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14092516 + 5973136 = 3754^2 + 2444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2508203 + ... + 2508210.

It is an arithmetic number, because the mean of its divisors is an integer number (5852483).

Almost surely, 2^20065652 is an apocalyptic number.

It is an amenable number.

20065652 is a deficient number, since it is larger than the sum of its proper divisors (15049246).

20065652 is a wasteful number, since it uses less digits than its factorization.

20065652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016417 (or 5016415 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 20065652 is about 4479.4700579421. The cubic root of 20065652 is about 271.7384488364.

The spelling of 20065652 in words is "twenty million, sixty-five thousand, six hundred fifty-two".